Home / 19,407,427.20-29,111,140.80-18,147,715.20

Finding the Fourth Proportional to 19,407,427.20, 29,111,140.80 and 18,147,715.20

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Solution

The fourth proportional to 19,407,427.20, 29,111,140.80 and 18,147,715.20 is: 27,221,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,427.20 : 29,111,140.80 = 18,147,715.20 : x
  2. Step 2: Convert to fraction form
    19,407,427.20/29,111,140.80 = 18,147,715.20/x
  3. Step 3: Cross multiply
    19,407,427.20x = 29,111,140.80 × 18,147,715.20
  4. Step 4: Simplify right side
    19,407,427.20x = 528,300,692,385,500.12
  5. Step 5: Solve for x
    x = 528,300,692,385,500.12/19,407,427.20
  6. Step 6: Final answer
    x = 27,221,572.80

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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.