Home / 28,029,969.20-42,044,953.80-8,866,600.40

Finding the Fourth Proportional to 28,029,969.20, 42,044,953.80 and 8,866,600.40

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Solution

The fourth proportional to 28,029,969.20, 42,044,953.80 and 8,866,600.40 is: 13,299,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,969.20 : 42,044,953.80 = 8,866,600.40 : x
  2. Step 2: Convert to fraction form
    28,029,969.20/42,044,953.80 = 8,866,600.40/x
  3. Step 3: Cross multiply
    28,029,969.20x = 42,044,953.80 × 8,866,600.40
  4. Step 4: Simplify right side
    28,029,969.20x = 372,795,804,181,061.50
  5. Step 5: Solve for x
    x = 372,795,804,181,061.50/28,029,969.20
  6. Step 6: Final answer
    x = 13,299,900.60

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1.5x scale

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.