Home / 20,564,191.02-30,662,437.08-19,999,202.78

Finding the Fourth Proportional to 20,564,191.02, 30,662,437.08 and 19,999,202.78

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Solution

The fourth proportional to 20,564,191.02, 30,662,437.08 and 19,999,202.78 is: 29,820,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564,191.02 : 30,662,437.08 = 19,999,202.78 : x
  2. Step 2: Convert to fraction form
    20,564,191.02/30,662,437.08 = 19,999,202.78/x
  3. Step 3: Cross multiply
    20,564,191.02x = 30,662,437.08 × 19,999,202.78
  4. Step 4: Simplify right side
    20,564,191.02x = 613,224,296,891,911.12
  5. Step 5: Solve for x
    x = 613,224,296,891,911.12/20,564,191.02
  6. Step 6: Final answer
    x = 29,820,005.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.