Home / 10,586,656.80-15,879,985.20-10,506,940.65

Finding the Fourth Proportional to 10,586,656.80, 15,879,985.20 and 10,506,940.65

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Solution

The fourth proportional to 10,586,656.80, 15,879,985.20 and 10,506,940.65 is: 15,760,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586,656.80 : 15,879,985.20 = 10,506,940.65 : x
  2. Step 2: Convert to fraction form
    10,586,656.80/15,879,985.20 = 10,506,940.65/x
  3. Step 3: Cross multiply
    10,586,656.80x = 15,879,985.20 × 10,506,940.65
  4. Step 4: Simplify right side
    10,586,656.80x = 166,850,062,019,278.38
  5. Step 5: Solve for x
    x = 166,850,062,019,278.38/10,586,656.80
  6. Step 6: Final answer
    x = 15,760,410.98

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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.