Home / 15,557,547.80-23,336,321.70-13,430,034.20

Finding the Fourth Proportional to 15,557,547.80, 23,336,321.70 and 13,430,034.20

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Solution

The fourth proportional to 15,557,547.80, 23,336,321.70 and 13,430,034.20 is: 20,145,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,547.80 : 23,336,321.70 = 13,430,034.20 : x
  2. Step 2: Convert to fraction form
    15,557,547.80/23,336,321.70 = 13,430,034.20/x
  3. Step 3: Cross multiply
    15,557,547.80x = 23,336,321.70 × 13,430,034.20
  4. Step 4: Simplify right side
    15,557,547.80x = 313,407,598,533,202.12
  5. Step 5: Solve for x
    x = 313,407,598,533,202.12/15,557,547.80
  6. Step 6: Final answer
    x = 20,145,051.30

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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.