Home / 48,338,381.57-72,506,861.88-11,946,775.05

Finding the Fourth Proportional to 48,338,381.57, 72,506,861.88 and 11,946,775.05

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Solution

The fourth proportional to 48,338,381.57, 72,506,861.88 and 11,946,775.05 is: 17,919,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338,381.57 : 72,506,861.88 = 11,946,775.05 : x
  2. Step 2: Convert to fraction form
    48,338,381.57/72,506,861.88 = 11,946,775.05/x
  3. Step 3: Cross multiply
    48,338,381.57x = 72,506,861.88 × 11,946,775.05
  4. Step 4: Simplify right side
    48,338,381.57x = 866,223,168,461,780.12
  5. Step 5: Solve for x
    x = 866,223,168,461,780.12/48,338,381.57
  6. Step 6: Final answer
    x = 17,919,986.98

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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.