Home / 42,607,560.67-63,914,031.47-18,010,900.80

Finding the Fourth Proportional to 42,607,560.67, 63,914,031.47 and 18,010,900.80

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Solution

The fourth proportional to 42,607,560.67, 63,914,031.47 and 18,010,900.80 is: 27,017,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607,560.67 : 63,914,031.47 = 18,010,900.80 : x
  2. Step 2: Convert to fraction form
    42,607,560.67/63,914,031.47 = 18,010,900.80/x
  3. Step 3: Cross multiply
    42,607,560.67x = 63,914,031.47 × 18,010,900.80
  4. Step 4: Simplify right side
    42,607,560.67x = 1,151,149,280,477,964.25
  5. Step 5: Solve for x
    x = 1,151,149,280,477,964.25/42,607,560.67
  6. Step 6: Final answer
    x = 27,017,488.50

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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.