Home / 31,559,966.40-47,339,949.60-18,123,038.40

Finding the Fourth Proportional to 31,559,966.40, 47,339,949.60 and 18,123,038.40

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Solution

The fourth proportional to 31,559,966.40, 47,339,949.60 and 18,123,038.40 is: 27,184,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559,966.40 : 47,339,949.60 = 18,123,038.40 : x
  2. Step 2: Convert to fraction form
    31,559,966.40/47,339,949.60 = 18,123,038.40/x
  3. Step 3: Cross multiply
    31,559,966.40x = 47,339,949.60 × 18,123,038.40
  4. Step 4: Simplify right side
    31,559,966.40x = 857,943,724,454,864.62
  5. Step 5: Solve for x
    x = 857,943,724,454,864.62/31,559,966.40
  6. Step 6: Final answer
    x = 27,184,557.60

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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.