Home / 12,154,948.74-18,225,692.42-4,971,527.06

Finding the Fourth Proportional to 12,154,948.74, 18,225,692.42 and 4,971,527.06

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Solution

The fourth proportional to 12,154,948.74, 18,225,692.42 and 4,971,527.06 is: 7,454,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,948.74 : 18,225,692.42 = 4,971,527.06 : x
  2. Step 2: Convert to fraction form
    12,154,948.74/18,225,692.42 = 4,971,527.06/x
  3. Step 3: Cross multiply
    12,154,948.74x = 18,225,692.42 × 4,971,527.06
  4. Step 4: Simplify right side
    12,154,948.74x = 90,609,522,937,280.78
  5. Step 5: Solve for x
    x = 90,609,522,937,280.78/12,154,948.74
  6. Step 6: Final answer
    x = 7,454,537.64

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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.