Home / 13,037,215.95-17,989,898.76-7,236,242.19

Finding the Fourth Proportional to 13,037,215.95, 17,989,898.76 and 7,236,242.19

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Solution

The fourth proportional to 13,037,215.95, 17,989,898.76 and 7,236,242.19 is: 9,985,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,215.95 : 17,989,898.76 = 7,236,242.19 : x
  2. Step 2: Convert to fraction form
    13,037,215.95/17,989,898.76 = 7,236,242.19/x
  3. Step 3: Cross multiply
    13,037,215.95x = 17,989,898.76 × 7,236,242.19
  4. Step 4: Simplify right side
    13,037,215.95x = 130,179,264,400,940.70
  5. Step 5: Solve for x
    x = 130,179,264,400,940.70/13,037,215.95
  6. Step 6: Final answer
    x = 9,985,204.27

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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.