Home / 13,011,158.19-17,955,503.76-7,210,036.80

Finding the Fourth Proportional to 13,011,158.19, 17,955,503.76 and 7,210,036.80

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Solution

The fourth proportional to 13,011,158.19, 17,955,503.76 and 7,210,036.80 is: 9,949,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,158.19 : 17,955,503.76 = 7,210,036.80 : x
  2. Step 2: Convert to fraction form
    13,011,158.19/17,955,503.76 = 7,210,036.80/x
  3. Step 3: Cross multiply
    13,011,158.19x = 17,955,503.76 × 7,210,036.80
  4. Step 4: Simplify right side
    13,011,158.19x = 129,459,842,872,138.38
  5. Step 5: Solve for x
    x = 129,459,842,872,138.38/13,011,158.19
  6. Step 6: Final answer
    x = 9,949,909.22

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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.