Home / 16,983,390-23,437,079.68-9,248,430

Finding the Fourth Proportional to 16,983,390, 23,437,079.68 and 9,248,430

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Solution

The fourth proportional to 16,983,390, 23,437,079.68 and 9,248,430 is: 12,762,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983,390 : 23,437,079.68 = 9,248,430 : x
  2. Step 2: Convert to fraction form
    16,983,390/23,437,079.68 = 9,248,430/x
  3. Step 3: Cross multiply
    16,983,390x = 23,437,079.68 × 9,248,430
  4. Step 4: Simplify right side
    16,983,390x = 216,756,190,824,902.41
  5. Step 5: Solve for x
    x = 216,756,190,824,902.41/16,983,390
  6. Step 6: Final answer
    x = 12,762,834.21

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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.