Home / 25,437,123.22-37,983,386.12-20,190,874.07

Finding the Fourth Proportional to 25,437,123.22, 37,983,386.12 and 20,190,874.07

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Solution

The fourth proportional to 25,437,123.22, 37,983,386.12 and 20,190,874.07 is: 30,149,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437,123.22 : 37,983,386.12 = 20,190,874.07 : x
  2. Step 2: Convert to fraction form
    25,437,123.22/37,983,386.12 = 20,190,874.07/x
  3. Step 3: Cross multiply
    25,437,123.22x = 37,983,386.12 × 20,190,874.07
  4. Step 4: Simplify right side
    25,437,123.22x = 766,917,765,758,285.38
  5. Step 5: Solve for x
    x = 766,917,765,758,285.38/25,437,123.22
  6. Step 6: Final answer
    x = 30,149,547.93

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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.