Home / 13,103,689.60-19,655,534.40-11,718,006.40

Finding the Fourth Proportional to 13,103,689.60, 19,655,534.40 and 11,718,006.40

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Solution

The fourth proportional to 13,103,689.60, 19,655,534.40 and 11,718,006.40 is: 17,577,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,689.60 : 19,655,534.40 = 11,718,006.40 : x
  2. Step 2: Convert to fraction form
    13,103,689.60/19,655,534.40 = 11,718,006.40/x
  3. Step 3: Cross multiply
    13,103,689.60x = 19,655,534.40 × 11,718,006.40
  4. Step 4: Simplify right side
    13,103,689.60x = 230,323,677,894,620.16
  5. Step 5: Solve for x
    x = 230,323,677,894,620.16/13,103,689.60
  6. Step 6: Final answer
    x = 17,577,009.60

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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.