Home / 12,292,607.70-18,438,911.55-5,915,315.70

Finding the Fourth Proportional to 12,292,607.70, 18,438,911.55 and 5,915,315.70

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Solution

The fourth proportional to 12,292,607.70, 18,438,911.55 and 5,915,315.70 is: 8,872,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,607.70 : 18,438,911.55 = 5,915,315.70 : x
  2. Step 2: Convert to fraction form
    12,292,607.70/18,438,911.55 = 5,915,315.70/x
  3. Step 3: Cross multiply
    12,292,607.70x = 18,438,911.55 × 5,915,315.70
  4. Step 4: Simplify right side
    12,292,607.70x = 109,071,982,982,626.34
  5. Step 5: Solve for x
    x = 109,071,982,982,626.34/12,292,607.70
  6. Step 6: Final answer
    x = 8,872,973.55

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1.5x scale

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.