Home / 7,700,656.29-10,627,031.15-4,215,936.66

Finding the Fourth Proportional to 7,700,656.29, 10,627,031.15 and 4,215,936.66

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Solution

The fourth proportional to 7,700,656.29, 10,627,031.15 and 4,215,936.66 is: 5,818,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700,656.29 : 10,627,031.15 = 4,215,936.66 : x
  2. Step 2: Convert to fraction form
    7,700,656.29/10,627,031.15 = 4,215,936.66/x
  3. Step 3: Cross multiply
    7,700,656.29x = 10,627,031.15 × 4,215,936.66
  4. Step 4: Simplify right side
    7,700,656.29x = 44,802,890,138,032.12
  5. Step 5: Solve for x
    x = 44,802,890,138,032.12/7,700,656.29
  6. Step 6: Final answer
    x = 5,818,061.28

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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.