Home / 22,938,916.20-31,655,460.87-12,625,417.86

Finding the Fourth Proportional to 22,938,916.20, 31,655,460.87 and 12,625,417.86

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Solution

The fourth proportional to 22,938,916.20, 31,655,460.87 and 12,625,417.86 is: 17,422,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938,916.20 : 31,655,460.87 = 12,625,417.86 : x
  2. Step 2: Convert to fraction form
    22,938,916.20/31,655,460.87 = 12,625,417.86/x
  3. Step 3: Cross multiply
    22,938,916.20x = 31,655,460.87 × 12,625,417.86
  4. Step 4: Simplify right side
    22,938,916.20x = 399,663,421,034,629.12
  5. Step 5: Solve for x
    x = 399,663,421,034,629.12/22,938,916.20
  6. Step 6: Final answer
    x = 17,422,942.63

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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.