Home / 22,390,949.49-30,909,044.28-15,053,038.56

Finding the Fourth Proportional to 22,390,949.49, 30,909,044.28 and 15,053,038.56

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Solution

The fourth proportional to 22,390,949.49, 30,909,044.28 and 15,053,038.56 is: 20,779,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390,949.49 : 30,909,044.28 = 15,053,038.56 : x
  2. Step 2: Convert to fraction form
    22,390,949.49/30,909,044.28 = 15,053,038.56/x
  3. Step 3: Cross multiply
    22,390,949.49x = 30,909,044.28 × 15,053,038.56
  4. Step 4: Simplify right side
    22,390,949.49x = 465,275,035,399,587.50
  5. Step 5: Solve for x
    x = 465,275,035,399,587.50/22,390,949.49
  6. Step 6: Final answer
    x = 20,779,602.74

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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.