Home / 13,518,232.16-18,655,084.49-7,323,397.92

Finding the Fourth Proportional to 13,518,232.16, 18,655,084.49 and 7,323,397.92

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Solution

The fourth proportional to 13,518,232.16, 18,655,084.49 and 7,323,397.92 is: 10,106,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,232.16 : 18,655,084.49 = 7,323,397.92 : x
  2. Step 2: Convert to fraction form
    13,518,232.16/18,655,084.49 = 7,323,397.92/x
  3. Step 3: Cross multiply
    13,518,232.16x = 18,655,084.49 × 7,323,397.92
  4. Step 4: Simplify right side
    13,518,232.16x = 136,618,606,914,873.27
  5. Step 5: Solve for x
    x = 136,618,606,914,873.27/13,518,232.16
  6. Step 6: Final answer
    x = 10,106,248.02

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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.