Home / 20,628,497.32-28,437,762.90-14,497,898.92

Finding the Fourth Proportional to 20,628,497.32, 28,437,762.90 and 14,497,898.92

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Solution

The fourth proportional to 20,628,497.32, 28,437,762.90 and 14,497,898.92 is: 19,986,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,497.32 : 28,437,762.90 = 14,497,898.92 : x
  2. Step 2: Convert to fraction form
    20,628,497.32/28,437,762.90 = 14,497,898.92/x
  3. Step 3: Cross multiply
    20,628,497.32x = 28,437,762.90 × 14,497,898.92
  4. Step 4: Simplify right side
    20,628,497.32x = 412,287,812,035,126.06
  5. Step 5: Solve for x
    x = 412,287,812,035,126.06/20,628,497.32
  6. Step 6: Final answer
    x = 19,986,323.08

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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.