Home / 13,656,415.20-20,484,622.80-9,896,287.20

Finding the Fourth Proportional to 13,656,415.20, 20,484,622.80 and 9,896,287.20

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Solution

The fourth proportional to 13,656,415.20, 20,484,622.80 and 9,896,287.20 is: 14,844,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,415.20 : 20,484,622.80 = 9,896,287.20 : x
  2. Step 2: Convert to fraction form
    13,656,415.20/20,484,622.80 = 9,896,287.20/x
  3. Step 3: Cross multiply
    13,656,415.20x = 20,484,622.80 × 9,896,287.20
  4. Step 4: Simplify right side
    13,656,415.20x = 202,721,710,412,468.16
  5. Step 5: Solve for x
    x = 202,721,710,412,468.16/13,656,415.20
  6. Step 6: Final answer
    x = 14,844,430.80

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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.