Home / 42,630,561.60-63,931,845.60-15,700,718.40

Finding the Fourth Proportional to 42,630,561.60, 63,931,845.60 and 15,700,718.40

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Solution

The fourth proportional to 42,630,561.60, 63,931,845.60 and 15,700,718.40 is: 23,545,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630,561.60 : 63,931,845.60 = 15,700,718.40 : x
  2. Step 2: Convert to fraction form
    42,630,561.60/63,931,845.60 = 15,700,718.40/x
  3. Step 3: Cross multiply
    42,630,561.60x = 63,931,845.60 × 15,700,718.40
  4. Step 4: Simplify right side
    42,630,561.60x = 1,003,775,904,557,879.12
  5. Step 5: Solve for x
    x = 1,003,775,904,557,879.12/42,630,561.60
  6. Step 6: Final answer
    x = 23,545,922.62

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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.