Home / 14,107,298.80-21,160,948.20-8,698,410.40

Finding the Fourth Proportional to 14,107,298.80, 21,160,948.20 and 8,698,410.40

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Solution

The fourth proportional to 14,107,298.80, 21,160,948.20 and 8,698,410.40 is: 13,047,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107,298.80 : 21,160,948.20 = 8,698,410.40 : x
  2. Step 2: Convert to fraction form
    14,107,298.80/21,160,948.20 = 8,698,410.40/x
  3. Step 3: Cross multiply
    14,107,298.80x = 21,160,948.20 × 8,698,410.40
  4. Step 4: Simplify right side
    14,107,298.80x = 184,066,611,896,741.28
  5. Step 5: Solve for x
    x = 184,066,611,896,741.28/14,107,298.80
  6. Step 6: Final answer
    x = 13,047,615.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.