Home / 28,312,499.55-42,468,749.33-15,528,064.35

Finding the Fourth Proportional to 28,312,499.55, 42,468,749.33 and 15,528,064.35

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Solution

The fourth proportional to 28,312,499.55, 42,468,749.33 and 15,528,064.35 is: 23,292,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312,499.55 : 42,468,749.33 = 15,528,064.35 : x
  2. Step 2: Convert to fraction form
    28,312,499.55/42,468,749.33 = 15,528,064.35/x
  3. Step 3: Cross multiply
    28,312,499.55x = 42,468,749.33 × 15,528,064.35
  4. Step 4: Simplify right side
    28,312,499.55x = 659,457,472,382,619.12
  5. Step 5: Solve for x
    x = 659,457,472,382,619.12/28,312,499.55
  6. Step 6: Final answer
    x = 23,292,096.53

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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.