Home / 28,033,577.40-42,050,366.10-8,865,834.60

Finding the Fourth Proportional to 28,033,577.40, 42,050,366.10 and 8,865,834.60

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Solution

The fourth proportional to 28,033,577.40, 42,050,366.10 and 8,865,834.60 is: 13,298,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,577.40 : 42,050,366.10 = 8,865,834.60 : x
  2. Step 2: Convert to fraction form
    28,033,577.40/42,050,366.10 = 8,865,834.60/x
  3. Step 3: Cross multiply
    28,033,577.40x = 42,050,366.10 × 8,865,834.60
  4. Step 4: Simplify right side
    28,033,577.40x = 372,811,590,712,047.06
  5. Step 5: Solve for x
    x = 372,811,590,712,047.06/28,033,577.40
  6. Step 6: Final answer
    x = 13,298,751.90

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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.