Home / 10,189,075.50-15,279,129.90-5,395,646.16

Finding the Fourth Proportional to 10,189,075.50, 15,279,129.90 and 5,395,646.16

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Solution

The fourth proportional to 10,189,075.50, 15,279,129.90 and 5,395,646.16 is: 8,091,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189,075.50 : 15,279,129.90 = 5,395,646.16 : x
  2. Step 2: Convert to fraction form
    10,189,075.50/15,279,129.90 = 5,395,646.16/x
  3. Step 3: Cross multiply
    10,189,075.50x = 15,279,129.90 × 5,395,646.16
  4. Step 4: Simplify right side
    10,189,075.50x = 82,440,778,573,076.19
  5. Step 5: Solve for x
    x = 82,440,778,573,076.19/10,189,075.50
  6. Step 6: Final answer
    x = 8,091,095.07

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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.