Home / 42,279,897.80-63,391,853.10-15,350,054.60

Finding the Fourth Proportional to 42,279,897.80, 63,391,853.10 and 15,350,054.60

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Solution

The fourth proportional to 42,279,897.80, 63,391,853.10 and 15,350,054.60 is: 23,014,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279,897.80 : 63,391,853.10 = 15,350,054.60 : x
  2. Step 2: Convert to fraction form
    42,279,897.80/63,391,853.10 = 15,350,054.60/x
  3. Step 3: Cross multiply
    42,279,897.80x = 63,391,853.10 × 15,350,054.60
  4. Step 4: Simplify right side
    42,279,897.80x = 973,068,406,280,179.25
  5. Step 5: Solve for x
    x = 973,068,406,280,179.25/42,279,897.80
  6. Step 6: Final answer
    x = 23,014,918.60

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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.