Home / 21,442,690.80-32,169,738.60-9,306,946.80

Finding the Fourth Proportional to 21,442,690.80, 32,169,738.60 and 9,306,946.80

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Solution

The fourth proportional to 21,442,690.80, 32,169,738.60 and 9,306,946.80 is: 13,962,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442,690.80 : 32,169,738.60 = 9,306,946.80 : x
  2. Step 2: Convert to fraction form
    21,442,690.80/32,169,738.60 = 9,306,946.80/x
  3. Step 3: Cross multiply
    21,442,690.80x = 32,169,738.60 × 9,306,946.80
  4. Step 4: Simplify right side
    21,442,690.80x = 299,402,045,720,106.50
  5. Step 5: Solve for x
    x = 299,402,045,720,106.50/21,442,690.80
  6. Step 6: Final answer
    x = 13,962,895.26

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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.