Home / 28,426,294.08-42,658,336.84-13,281,406.56

Finding the Fourth Proportional to 28,426,294.08, 42,658,336.84 and 13,281,406.56

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Solution

The fourth proportional to 28,426,294.08, 42,658,336.84 and 13,281,406.56 is: 19,930,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,294.08 : 42,658,336.84 = 13,281,406.56 : x
  2. Step 2: Convert to fraction form
    28,426,294.08/42,658,336.84 = 13,281,406.56/x
  3. Step 3: Cross multiply
    28,426,294.08x = 42,658,336.84 × 13,281,406.56
  4. Step 4: Simplify right side
    28,426,294.08x = 566,562,714,745,465.75
  5. Step 5: Solve for x
    x = 566,562,714,745,465.75/28,426,294.08
  6. Step 6: Final answer
    x = 19,930,938.35

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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.