Home / 11,328,085.20-16,998,032.70-4,938,983.40

Finding the Fourth Proportional to 11,328,085.20, 16,998,032.70 and 4,938,983.40

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Solution

The fourth proportional to 11,328,085.20, 16,998,032.70 and 4,938,983.40 is: 7,411,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,085.20 : 16,998,032.70 = 4,938,983.40 : x
  2. Step 2: Convert to fraction form
    11,328,085.20/16,998,032.70 = 4,938,983.40/x
  3. Step 3: Cross multiply
    11,328,085.20x = 16,998,032.70 × 4,938,983.40
  4. Step 4: Simplify right side
    11,328,085.20x = 83,953,001,337,957.19
  5. Step 5: Solve for x
    x = 83,953,001,337,957.19/11,328,085.20
  6. Step 6: Final answer
    x = 7,411,049.60

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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.