Home / 8,365,028.70-12,547,543.05-4,997,502.30

Finding the Fourth Proportional to 8,365,028.70, 12,547,543.05 and 4,997,502.30

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Solution

The fourth proportional to 8,365,028.70, 12,547,543.05 and 4,997,502.30 is: 7,496,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,028.70 : 12,547,543.05 = 4,997,502.30 : x
  2. Step 2: Convert to fraction form
    8,365,028.70/12,547,543.05 = 4,997,502.30/x
  3. Step 3: Cross multiply
    8,365,028.70x = 12,547,543.05 × 4,997,502.30
  4. Step 4: Simplify right side
    8,365,028.70x = 62,706,375,251,724.02
  5. Step 5: Solve for x
    x = 62,706,375,251,724.02/8,365,028.70
  6. Step 6: Final answer
    x = 7,496,253.45

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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.