Home / 7,657,140.86-10,566,357-4,219,381.89

Finding the Fourth Proportional to 7,657,140.86, 10,566,357 and 4,219,381.89

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Solution

The fourth proportional to 7,657,140.86, 10,566,357 and 4,219,381.89 is: 5,822,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,140.86 : 10,566,357 = 4,219,381.89 : x
  2. Step 2: Convert to fraction form
    7,657,140.86/10,566,357 = 4,219,381.89/x
  3. Step 3: Cross multiply
    7,657,140.86x = 10,566,357 × 4,219,381.89
  4. Step 4: Simplify right side
    7,657,140.86x = 44,583,495,369,074.73
  5. Step 5: Solve for x
    x = 44,583,495,369,074.73/7,657,140.86
  6. Step 6: Final answer
    x = 5,822,472.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.