Home / 28,559,209.10-39,412,393.56-15,507,018.14

Finding the Fourth Proportional to 28,559,209.10, 39,412,393.56 and 15,507,018.14

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Solution

The fourth proportional to 28,559,209.10, 39,412,393.56 and 15,507,018.14 is: 21,400,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559,209.10 : 39,412,393.56 = 15,507,018.14 : x
  2. Step 2: Convert to fraction form
    28,559,209.10/39,412,393.56 = 15,507,018.14/x
  3. Step 3: Cross multiply
    28,559,209.10x = 39,412,393.56 × 15,507,018.14
  4. Step 4: Simplify right side
    28,559,209.10x = 611,168,701,875,739.25
  5. Step 5: Solve for x
    x = 611,168,701,875,739.25/28,559,209.10
  6. Step 6: Final answer
    x = 21,400,056.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.