Home / 12,591,727.10-18,887,590.65-10,072,303.10

Finding the Fourth Proportional to 12,591,727.10, 18,887,590.65 and 10,072,303.10

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Solution

The fourth proportional to 12,591,727.10, 18,887,590.65 and 10,072,303.10 is: 15,108,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,727.10 : 18,887,590.65 = 10,072,303.10 : x
  2. Step 2: Convert to fraction form
    12,591,727.10/18,887,590.65 = 10,072,303.10/x
  3. Step 3: Cross multiply
    12,591,727.10x = 18,887,590.65 × 10,072,303.10
  4. Step 4: Simplify right side
    12,591,727.10x = 190,241,537,855,526
  5. Step 5: Solve for x
    x = 190,241,537,855,526/12,591,727.10
  6. Step 6: Final answer
    x = 15,108,454.65

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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.