Home / 13,011,154.66-17,955,498.92-7,210,033.28

Finding the Fourth Proportional to 13,011,154.66, 17,955,498.92 and 7,210,033.28

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Solution

The fourth proportional to 13,011,154.66, 17,955,498.92 and 7,210,033.28 is: 9,949,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,154.66 : 17,955,498.92 = 7,210,033.28 : x
  2. Step 2: Convert to fraction form
    13,011,154.66/17,955,498.92 = 7,210,033.28/x
  3. Step 3: Cross multiply
    13,011,154.66x = 17,955,498.92 × 7,210,033.28
  4. Step 4: Simplify right side
    13,011,154.66x = 129,459,744,772,204.08
  5. Step 5: Solve for x
    x = 129,459,744,772,204.08/13,011,154.66
  6. Step 6: Final answer
    x = 9,949,904.38

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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.