Home / 28,742,572.80-43,113,859.20-25,908,220.80

Finding the Fourth Proportional to 28,742,572.80, 43,113,859.20 and 25,908,220.80

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Solution

The fourth proportional to 28,742,572.80, 43,113,859.20 and 25,908,220.80 is: 38,862,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,572.80 : 43,113,859.20 = 25,908,220.80 : x
  2. Step 2: Convert to fraction form
    28,742,572.80/43,113,859.20 = 25,908,220.80/x
  3. Step 3: Cross multiply
    28,742,572.80x = 43,113,859.20 × 25,908,220.80
  4. Step 4: Simplify right side
    28,742,572.80x = 1,117,003,383,693,711.50
  5. Step 5: Solve for x
    x = 1,117,003,383,693,711.50/28,742,572.80
  6. Step 6: Final answer
    x = 38,862,331.20

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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.