Home / 31,641,066.68-43,671,501.72-19,255,150.76

Finding the Fourth Proportional to 31,641,066.68, 43,671,501.72 and 19,255,150.76

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Solution

The fourth proportional to 31,641,066.68, 43,671,501.72 and 19,255,150.76 is: 26,576,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641,066.68 : 43,671,501.72 = 19,255,150.76 : x
  2. Step 2: Convert to fraction form
    31,641,066.68/43,671,501.72 = 19,255,150.76/x
  3. Step 3: Cross multiply
    31,641,066.68x = 43,671,501.72 × 19,255,150.76
  4. Step 4: Simplify right side
    31,641,066.68x = 840,901,349,315,841.75
  5. Step 5: Solve for x
    x = 840,901,349,315,841.75/31,641,066.68
  6. Step 6: Final answer
    x = 26,576,264.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.