Home / 28,607,642.48-42,930,543.90-10,411,832.58

Finding the Fourth Proportional to 28,607,642.48, 42,930,543.90 and 10,411,832.58

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Solution

The fourth proportional to 28,607,642.48, 42,930,543.90 and 10,411,832.58 is: 15,624,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607,642.48 : 42,930,543.90 = 10,411,832.58 : x
  2. Step 2: Convert to fraction form
    28,607,642.48/42,930,543.90 = 10,411,832.58/x
  3. Step 3: Cross multiply
    28,607,642.48x = 42,930,543.90 × 10,411,832.58
  4. Step 4: Simplify right side
    28,607,642.48x = 446,985,635,655,140.25
  5. Step 5: Solve for x
    x = 446,985,635,655,140.25/28,607,642.48
  6. Step 6: Final answer
    x = 15,624,693.16

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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.