Home / 15,941,646.36-21,998,838.06-9,417,370.92

Finding the Fourth Proportional to 15,941,646.36, 21,998,838.06 and 9,417,370.92

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Solution

The fourth proportional to 15,941,646.36, 21,998,838.06 and 9,417,370.92 is: 12,995,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941,646.36 : 21,998,838.06 = 9,417,370.92 : x
  2. Step 2: Convert to fraction form
    15,941,646.36/21,998,838.06 = 9,417,370.92/x
  3. Step 3: Cross multiply
    15,941,646.36x = 21,998,838.06 × 9,417,370.92
  4. Step 4: Simplify right side
    15,941,646.36x = 207,171,217,820,033.19
  5. Step 5: Solve for x
    x = 207,171,217,820,033.19/15,941,646.36
  6. Step 6: Final answer
    x = 12,995,597.39

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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.