Home / 28,677,683.10-43,016,485.56-13,316,572.92

Finding the Fourth Proportional to 28,677,683.10, 43,016,485.56 and 13,316,572.92

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Solution

The fourth proportional to 28,677,683.10, 43,016,485.56 and 13,316,572.92 is: 19,974,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,683.10 : 43,016,485.56 = 13,316,572.92 : x
  2. Step 2: Convert to fraction form
    28,677,683.10/43,016,485.56 = 13,316,572.92/x
  3. Step 3: Cross multiply
    28,677,683.10x = 43,016,485.56 × 13,316,572.92
  4. Step 4: Simplify right side
    28,677,683.10x = 572,832,166,721,867.12
  5. Step 5: Solve for x
    x = 572,832,166,721,867.12/28,677,683.10
  6. Step 6: Final answer
    x = 19,974,841.23

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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.