Home / 14,921,312.90-22,381,969.35-13,157,716.10

Finding the Fourth Proportional to 14,921,312.90, 22,381,969.35 and 13,157,716.10

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Solution

The fourth proportional to 14,921,312.90, 22,381,969.35 and 13,157,716.10 is: 19,736,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921,312.90 : 22,381,969.35 = 13,157,716.10 : x
  2. Step 2: Convert to fraction form
    14,921,312.90/22,381,969.35 = 13,157,716.10/x
  3. Step 3: Cross multiply
    14,921,312.90x = 22,381,969.35 × 13,157,716.10
  4. Step 4: Simplify right side
    14,921,312.90x = 294,495,598,466,201.56
  5. Step 5: Solve for x
    x = 294,495,598,466,201.56/14,921,312.90
  6. Step 6: Final answer
    x = 19,736,574.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.