Home / 20,010,702.40-30,044,047.20-12,452,430.40

Finding the Fourth Proportional to 20,010,702.40, 30,044,047.20 and 12,452,430.40

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Solution

The fourth proportional to 20,010,702.40, 30,044,047.20 and 12,452,430.40 is: 18,696,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010,702.40 : 30,044,047.20 = 12,452,430.40 : x
  2. Step 2: Convert to fraction form
    20,010,702.40/30,044,047.20 = 12,452,430.40/x
  3. Step 3: Cross multiply
    20,010,702.40x = 30,044,047.20 × 12,452,430.40
  4. Step 4: Simplify right side
    20,010,702.40x = 374,121,406,692,314.88
  5. Step 5: Solve for x
    x = 374,121,406,692,314.88/20,010,702.40
  6. Step 6: Final answer
    x = 18,696,065.70

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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.