Home / 28,232,291.80-42,348,437.70-16,866,890.20

Finding the Fourth Proportional to 28,232,291.80, 42,348,437.70 and 16,866,890.20

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Solution

The fourth proportional to 28,232,291.80, 42,348,437.70 and 16,866,890.20 is: 25,300,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,291.80 : 42,348,437.70 = 16,866,890.20 : x
  2. Step 2: Convert to fraction form
    28,232,291.80/42,348,437.70 = 16,866,890.20/x
  3. Step 3: Cross multiply
    28,232,291.80x = 42,348,437.70 × 16,866,890.20
  4. Step 4: Simplify right side
    28,232,291.80x = 714,286,448,827,440.50
  5. Step 5: Solve for x
    x = 714,286,448,827,440.50/28,232,291.80
  6. Step 6: Final answer
    x = 25,300,335.30

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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.