Home / 28,404,043.20-42,606,064.80-17,586,266.40

Finding the Fourth Proportional to 28,404,043.20, 42,606,064.80 and 17,586,266.40

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Solution

The fourth proportional to 28,404,043.20, 42,606,064.80 and 17,586,266.40 is: 26,379,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404,043.20 : 42,606,064.80 = 17,586,266.40 : x
  2. Step 2: Convert to fraction form
    28,404,043.20/42,606,064.80 = 17,586,266.40/x
  3. Step 3: Cross multiply
    28,404,043.20x = 42,606,064.80 × 17,586,266.40
  4. Step 4: Simplify right side
    28,404,043.20x = 749,281,605,828,462.62
  5. Step 5: Solve for x
    x = 749,281,605,828,462.62/28,404,043.20
  6. Step 6: Final answer
    x = 26,379,399.60

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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.