Home / 13,129,901.40-19,694,852.10-9,303,526.20

Finding the Fourth Proportional to 13,129,901.40, 19,694,852.10 and 9,303,526.20

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Solution

The fourth proportional to 13,129,901.40, 19,694,852.10 and 9,303,526.20 is: 13,955,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,901.40 : 19,694,852.10 = 9,303,526.20 : x
  2. Step 2: Convert to fraction form
    13,129,901.40/19,694,852.10 = 9,303,526.20/x
  3. Step 3: Cross multiply
    13,129,901.40x = 19,694,852.10 × 9,303,526.20
  4. Step 4: Simplify right side
    13,129,901.40x = 183,231,572,517,475.03
  5. Step 5: Solve for x
    x = 183,231,572,517,475.03/13,129,901.40
  6. Step 6: Final answer
    x = 13,955,289.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.