Home / 12,343,870.50-17,034,717.15-7,116,775.26

Finding the Fourth Proportional to 12,343,870.50, 17,034,717.15 and 7,116,775.26

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Solution

The fourth proportional to 12,343,870.50, 17,034,717.15 and 7,116,775.26 is: 9,821,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,870.50 : 17,034,717.15 = 7,116,775.26 : x
  2. Step 2: Convert to fraction form
    12,343,870.50/17,034,717.15 = 7,116,775.26/x
  3. Step 3: Cross multiply
    12,343,870.50x = 17,034,717.15 × 7,116,775.26
  4. Step 4: Simplify right side
    12,343,870.50x = 121,232,253,574,217.69
  5. Step 5: Solve for x
    x = 121,232,253,574,217.69/12,343,870.50
  6. Step 6: Final answer
    x = 9,821,251.25

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1.5x scale

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.