Home / 13,307,098.47-18,363,783.03-7,195,512.39

Finding the Fourth Proportional to 13,307,098.47, 18,363,783.03 and 7,195,512.39

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Solution

The fourth proportional to 13,307,098.47, 18,363,783.03 and 7,195,512.39 is: 9,929,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,098.47 : 18,363,783.03 = 7,195,512.39 : x
  2. Step 2: Convert to fraction form
    13,307,098.47/18,363,783.03 = 7,195,512.39/x
  3. Step 3: Cross multiply
    13,307,098.47x = 18,363,783.03 × 7,195,512.39
  4. Step 4: Simplify right side
    13,307,098.47x = 132,136,828,319,636.75
  5. Step 5: Solve for x
    x = 132,136,828,319,636.75/13,307,098.47
  6. Step 6: Final answer
    x = 9,929,800.15

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1.5x scale

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.