Home / 12,225,840.80-18,327,097.20-4,547,429.60

Finding the Fourth Proportional to 12,225,840.80, 18,327,097.20 and 4,547,429.60

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Solution

The fourth proportional to 12,225,840.80, 18,327,097.20 and 4,547,429.60 is: 6,816,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,840.80 : 18,327,097.20 = 4,547,429.60 : x
  2. Step 2: Convert to fraction form
    12,225,840.80/18,327,097.20 = 4,547,429.60/x
  3. Step 3: Cross multiply
    12,225,840.80x = 18,327,097.20 × 4,547,429.60
  4. Step 4: Simplify right side
    12,225,840.80x = 83,341,184,289,357.11
  5. Step 5: Solve for x
    x = 83,341,184,289,357.11/12,225,840.80
  6. Step 6: Final answer
    x = 6,816,805.95

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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.