Home / 8,045,798.80-12,068,698.20-7,510,421.20

Finding the Fourth Proportional to 8,045,798.80, 12,068,698.20 and 7,510,421.20

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Solution

The fourth proportional to 8,045,798.80, 12,068,698.20 and 7,510,421.20 is: 11,265,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,798.80 : 12,068,698.20 = 7,510,421.20 : x
  2. Step 2: Convert to fraction form
    8,045,798.80/12,068,698.20 = 7,510,421.20/x
  3. Step 3: Cross multiply
    8,045,798.80x = 12,068,698.20 × 7,510,421.20
  4. Step 4: Simplify right side
    8,045,798.80x = 90,641,006,817,681.84
  5. Step 5: Solve for x
    x = 90,641,006,817,681.84/8,045,798.80
  6. Step 6: Final answer
    x = 11,265,631.80

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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.