Home / 15,310,947.60-22,939,849.35-12,919,463.10

Finding the Fourth Proportional to 15,310,947.60, 22,939,849.35 and 12,919,463.10

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Solution

The fourth proportional to 15,310,947.60, 22,939,849.35 and 12,919,463.10 is: 19,356,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310,947.60 : 22,939,849.35 = 12,919,463.10 : x
  2. Step 2: Convert to fraction form
    15,310,947.60/22,939,849.35 = 12,919,463.10/x
  3. Step 3: Cross multiply
    15,310,947.60x = 22,939,849.35 × 12,919,463.10
  4. Step 4: Simplify right side
    15,310,947.60x = 296,370,537,196,884
  5. Step 5: Solve for x
    x = 296,370,537,196,884/15,310,947.60
  6. Step 6: Final answer
    x = 19,356,773.01

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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.