Home / 9,771,011.60-14,656,517.40-8,778,988.40

Finding the Fourth Proportional to 9,771,011.60, 14,656,517.40 and 8,778,988.40

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Solution

The fourth proportional to 9,771,011.60, 14,656,517.40 and 8,778,988.40 is: 13,168,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,011.60 : 14,656,517.40 = 8,778,988.40 : x
  2. Step 2: Convert to fraction form
    9,771,011.60/14,656,517.40 = 8,778,988.40/x
  3. Step 3: Cross multiply
    9,771,011.60x = 14,656,517.40 × 8,778,988.40
  4. Step 4: Simplify right side
    9,771,011.60x = 128,669,396,238,998.17
  5. Step 5: Solve for x
    x = 128,669,396,238,998.17/9,771,011.60
  6. Step 6: Final answer
    x = 13,168,482.60

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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.