Home / 42,366,048.30-63,549,072.45-12,069,974.70

Finding the Fourth Proportional to 42,366,048.30, 63,549,072.45 and 12,069,974.70

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Solution

The fourth proportional to 42,366,048.30, 63,549,072.45 and 12,069,974.70 is: 18,104,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366,048.30 : 63,549,072.45 = 12,069,974.70 : x
  2. Step 2: Convert to fraction form
    42,366,048.30/63,549,072.45 = 12,069,974.70/x
  3. Step 3: Cross multiply
    42,366,048.30x = 63,549,072.45 × 12,069,974.70
  4. Step 4: Simplify right side
    42,366,048.30x = 767,035,696,679,967
  5. Step 5: Solve for x
    x = 767,035,696,679,967/42,366,048.30
  6. Step 6: Final answer
    x = 18,104,962.05

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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.