Home / 12,895,649.53-19,327,531.05-6,507,728.71

Finding the Fourth Proportional to 12,895,649.53, 19,327,531.05 and 6,507,728.71

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Solution

The fourth proportional to 12,895,649.53, 19,327,531.05 and 6,507,728.71 is: 9,753,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,649.53 : 19,327,531.05 = 6,507,728.71 : x
  2. Step 2: Convert to fraction form
    12,895,649.53/19,327,531.05 = 6,507,728.71/x
  3. Step 3: Cross multiply
    12,895,649.53x = 19,327,531.05 × 6,507,728.71
  4. Step 4: Simplify right side
    12,895,649.53x = 125,778,328,707,501.45
  5. Step 5: Solve for x
    x = 125,778,328,707,501.45/12,895,649.53
  6. Step 6: Final answer
    x = 9,753,547.38

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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.