Home / 20,495,546.13-30,742,210.40-10,397,904.69

Finding the Fourth Proportional to 20,495,546.13, 30,742,210.40 and 10,397,904.69

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Solution

The fourth proportional to 20,495,546.13, 30,742,210.40 and 10,397,904.69 is: 15,596,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495,546.13 : 30,742,210.40 = 10,397,904.69 : x
  2. Step 2: Convert to fraction form
    20,495,546.13/30,742,210.40 = 10,397,904.69/x
  3. Step 3: Cross multiply
    20,495,546.13x = 30,742,210.40 × 10,397,904.69
  4. Step 4: Simplify right side
    20,495,546.13x = 319,654,573,647,137.25
  5. Step 5: Solve for x
    x = 319,654,573,647,137.25/20,495,546.13
  6. Step 6: Final answer
    x = 15,596,294.51

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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.