Home / 42,365,862.30-63,548,793.45-12,069,788.70

Finding the Fourth Proportional to 42,365,862.30, 63,548,793.45 and 12,069,788.70

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Solution

The fourth proportional to 42,365,862.30, 63,548,793.45 and 12,069,788.70 is: 18,104,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,365,862.30 : 63,548,793.45 = 12,069,788.70 : x
  2. Step 2: Convert to fraction form
    42,365,862.30/63,548,793.45 = 12,069,788.70/x
  3. Step 3: Cross multiply
    42,365,862.30x = 63,548,793.45 × 12,069,788.70
  4. Step 4: Simplify right side
    42,365,862.30x = 767,020,509,081,444
  5. Step 5: Solve for x
    x = 767,020,509,081,444/42,365,862.30
  6. Step 6: Final answer
    x = 18,104,683.05

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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.