Home / 32,938,722.80-45,398,700.60-21,905,758.52

Finding the Fourth Proportional to 32,938,722.80, 45,398,700.60 and 21,905,758.52

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Solution

The fourth proportional to 32,938,722.80, 45,398,700.60 and 21,905,758.52 is: 30,192,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,938,722.80 : 45,398,700.60 = 21,905,758.52 : x
  2. Step 2: Convert to fraction form
    32,938,722.80/45,398,700.60 = 21,905,758.52/x
  3. Step 3: Cross multiply
    32,938,722.80x = 45,398,700.60 × 21,905,758.52
  4. Step 4: Simplify right side
    32,938,722.80x = 994,492,972,581,851.75
  5. Step 5: Solve for x
    x = 994,492,972,581,851.75/32,938,722.80
  6. Step 6: Final answer
    x = 30,192,214.15

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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.