Home / 25,120,200.70-37,680,301.05-18,742,908.70

Finding the Fourth Proportional to 25,120,200.70, 37,680,301.05 and 18,742,908.70

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Solution

The fourth proportional to 25,120,200.70, 37,680,301.05 and 18,742,908.70 is: 28,114,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120,200.70 : 37,680,301.05 = 18,742,908.70 : x
  2. Step 2: Convert to fraction form
    25,120,200.70/37,680,301.05 = 18,742,908.70/x
  3. Step 3: Cross multiply
    25,120,200.70x = 37,680,301.05 × 18,742,908.70
  4. Step 4: Simplify right side
    25,120,200.70x = 706,238,442,368,664
  5. Step 5: Solve for x
    x = 706,238,442,368,664/25,120,200.70
  6. Step 6: Final answer
    x = 28,114,363.05

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1.5x scale

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.