Home / 13,307,095.47-18,363,778.89-7,195,509.39

Finding the Fourth Proportional to 13,307,095.47, 18,363,778.89 and 7,195,509.39

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Solution

The fourth proportional to 13,307,095.47, 18,363,778.89 and 7,195,509.39 is: 9,929,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,095.47 : 18,363,778.89 = 7,195,509.39 : x
  2. Step 2: Convert to fraction form
    13,307,095.47/18,363,778.89 = 7,195,509.39/x
  3. Step 3: Cross multiply
    13,307,095.47x = 18,363,778.89 × 7,195,509.39
  4. Step 4: Simplify right side
    13,307,095.47x = 132,136,743,438,878.78
  5. Step 5: Solve for x
    x = 132,136,743,438,878.78/13,307,095.47
  6. Step 6: Final answer
    x = 9,929,796.01

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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.