Home / 18,708,271.76-25,817,492.78-10,123,567.76

Finding the Fourth Proportional to 18,708,271.76, 25,817,492.78 and 10,123,567.76

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Solution

The fourth proportional to 18,708,271.76, 25,817,492.78 and 10,123,567.76 is: 13,970,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,271.76 : 25,817,492.78 = 10,123,567.76 : x
  2. Step 2: Convert to fraction form
    18,708,271.76/25,817,492.78 = 10,123,567.76/x
  3. Step 3: Cross multiply
    18,708,271.76x = 25,817,492.78 × 10,123,567.76
  4. Step 4: Simplify right side
    18,708,271.76x = 261,365,137,551,640.78
  5. Step 5: Solve for x
    x = 261,365,137,551,640.78/18,708,271.76
  6. Step 6: Final answer
    x = 13,970,565.58

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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.