Home / 9,872,572.12-13,624,071.40-5,521,655.20

Finding the Fourth Proportional to 9,872,572.12, 13,624,071.40 and 5,521,655.20

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Solution

The fourth proportional to 9,872,572.12, 13,624,071.40 and 5,521,655.20 is: 7,619,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,572.12 : 13,624,071.40 = 5,521,655.20 : x
  2. Step 2: Convert to fraction form
    9,872,572.12/13,624,071.40 = 5,521,655.20/x
  3. Step 3: Cross multiply
    9,872,572.12x = 13,624,071.40 × 5,521,655.20
  4. Step 4: Simplify right side
    9,872,572.12x = 75,227,424,690,981.28
  5. Step 5: Solve for x
    x = 75,227,424,690,981.28/9,872,572.12
  6. Step 6: Final answer
    x = 7,619,840.48

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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.