Home / 13,309,870.65-19,964,805.98-6,591,406.65

Finding the Fourth Proportional to 13,309,870.65, 19,964,805.98 and 6,591,406.65

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Solution

The fourth proportional to 13,309,870.65, 19,964,805.98 and 6,591,406.65 is: 9,887,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,870.65 : 19,964,805.98 = 6,591,406.65 : x
  2. Step 2: Convert to fraction form
    13,309,870.65/19,964,805.98 = 6,591,406.65/x
  3. Step 3: Cross multiply
    13,309,870.65x = 19,964,805.98 × 6,591,406.65
  4. Step 4: Simplify right side
    13,309,870.65x = 131,596,154,869,574.75
  5. Step 5: Solve for x
    x = 131,596,154,869,574.75/13,309,870.65
  6. Step 6: Final answer
    x = 9,887,109.98

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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.