Home / 10,342,382.40-15,513,573.60-8,748,059.40

Finding the Fourth Proportional to 10,342,382.40, 15,513,573.60 and 8,748,059.40

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Solution

The fourth proportional to 10,342,382.40, 15,513,573.60 and 8,748,059.40 is: 13,122,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,382.40 : 15,513,573.60 = 8,748,059.40 : x
  2. Step 2: Convert to fraction form
    10,342,382.40/15,513,573.60 = 8,748,059.40/x
  3. Step 3: Cross multiply
    10,342,382.40x = 15,513,573.60 × 8,748,059.40
  4. Step 4: Simplify right side
    10,342,382.40x = 135,713,663,359,071.84
  5. Step 5: Solve for x
    x = 135,713,663,359,071.84/10,342,382.40
  6. Step 6: Final answer
    x = 13,122,089.10

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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.