Home / 31,130,602.76-42,960,911.60-17,191,929.47

Finding the Fourth Proportional to 31,130,602.76, 42,960,911.60 and 17,191,929.47

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Solution

The fourth proportional to 31,130,602.76, 42,960,911.60 and 17,191,929.47 is: 23,725,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130,602.76 : 42,960,911.60 = 17,191,929.47 : x
  2. Step 2: Convert to fraction form
    31,130,602.76/42,960,911.60 = 17,191,929.47/x
  3. Step 3: Cross multiply
    31,130,602.76x = 42,960,911.60 × 17,191,929.47
  4. Step 4: Simplify right side
    31,130,602.76x = 738,580,962,022,280.12
  5. Step 5: Solve for x
    x = 738,580,962,022,280.12/31,130,602.76
  6. Step 6: Final answer
    x = 23,725,238.08

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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.