Home / 15,565,536.80-23,316,812.40-10,778,631.20

Finding the Fourth Proportional to 15,565,536.80, 23,316,812.40 and 10,778,631.20

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Solution

The fourth proportional to 15,565,536.80, 23,316,812.40 and 10,778,631.20 is: 16,146,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,536.80 : 23,316,812.40 = 10,778,631.20 : x
  2. Step 2: Convert to fraction form
    15,565,536.80/23,316,812.40 = 10,778,631.20/x
  3. Step 3: Cross multiply
    15,565,536.80x = 23,316,812.40 × 10,778,631.20
  4. Step 4: Simplify right side
    15,565,536.80x = 251,323,321,619,186.84
  5. Step 5: Solve for x
    x = 251,323,321,619,186.84/15,565,536.80
  6. Step 6: Final answer
    x = 16,146,139.05

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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.