Home / 42,658,838.55-63,994,894.16-13,898,281.95

Finding the Fourth Proportional to 42,658,838.55, 63,994,894.16 and 13,898,281.95

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Solution

The fourth proportional to 42,658,838.55, 63,994,894.16 and 13,898,281.95 is: 20,849,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658,838.55 : 63,994,894.16 = 13,898,281.95 : x
  2. Step 2: Convert to fraction form
    42,658,838.55/63,994,894.16 = 13,898,281.95/x
  3. Step 3: Cross multiply
    42,658,838.55x = 63,994,894.16 × 13,898,281.95
  4. Step 4: Simplify right side
    42,658,838.55x = 889,419,082,326,597
  5. Step 5: Solve for x
    x = 889,419,082,326,597/42,658,838.55
  6. Step 6: Final answer
    x = 20,849,585.05

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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.