Home / 13,396,345.07-18,490,569.89-8,750,031.57

Finding the Fourth Proportional to 13,396,345.07, 18,490,569.89 and 8,750,031.57

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Solution

The fourth proportional to 13,396,345.07, 18,490,569.89 and 8,750,031.57 is: 12,077,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396,345.07 : 18,490,569.89 = 8,750,031.57 : x
  2. Step 2: Convert to fraction form
    13,396,345.07/18,490,569.89 = 8,750,031.57/x
  3. Step 3: Cross multiply
    13,396,345.07x = 18,490,569.89 × 8,750,031.57
  4. Step 4: Simplify right side
    13,396,345.07x = 161,793,070,241,041.28
  5. Step 5: Solve for x
    x = 161,793,070,241,041.28/13,396,345.07
  6. Step 6: Final answer
    x = 12,077,403.91

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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.