Home / 49,341,749.40-74,012,624.10-13,439,957.40

Finding the Fourth Proportional to 49,341,749.40, 74,012,624.10 and 13,439,957.40

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Solution

The fourth proportional to 49,341,749.40, 74,012,624.10 and 13,439,957.40 is: 20,159,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,341,749.40 : 74,012,624.10 = 13,439,957.40 : x
  2. Step 2: Convert to fraction form
    49,341,749.40/74,012,624.10 = 13,439,957.40/x
  3. Step 3: Cross multiply
    49,341,749.40x = 74,012,624.10 × 13,439,957.40
  4. Step 4: Simplify right side
    49,341,749.40x = 994,726,514,966,213.25
  5. Step 5: Solve for x
    x = 994,726,514,966,213.25/49,341,749.40
  6. Step 6: Final answer
    x = 20,159,936.10

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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.