Home / 10,221,121.02-15,338,499.59-5,301,686.64

Finding the Fourth Proportional to 10,221,121.02, 15,338,499.59 and 5,301,686.64

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Solution

The fourth proportional to 10,221,121.02, 15,338,499.59 and 5,301,686.64 is: 7,956,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,121.02 : 15,338,499.59 = 5,301,686.64 : x
  2. Step 2: Convert to fraction form
    10,221,121.02/15,338,499.59 = 5,301,686.64/x
  3. Step 3: Cross multiply
    10,221,121.02x = 15,338,499.59 × 5,301,686.64
  4. Step 4: Simplify right side
    10,221,121.02x = 81,319,918,353,948.47
  5. Step 5: Solve for x
    x = 81,319,918,353,948.47/10,221,121.02
  6. Step 6: Final answer
    x = 7,956,066.48

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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.