Home / 30,463,019.12-45,670,603.86-20,849,251.32

Finding the Fourth Proportional to 30,463,019.12, 45,670,603.86 and 20,849,251.32

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Solution

The fourth proportional to 30,463,019.12, 45,670,603.86 and 20,849,251.32 is: 31,257,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463,019.12 : 45,670,603.86 = 20,849,251.32 : x
  2. Step 2: Convert to fraction form
    30,463,019.12/45,670,603.86 = 20,849,251.32/x
  3. Step 3: Cross multiply
    30,463,019.12x = 45,670,603.86 × 20,849,251.32
  4. Step 4: Simplify right side
    30,463,019.12x = 952,197,897,813,302.12
  5. Step 5: Solve for x
    x = 952,197,897,813,302.12/30,463,019.12
  6. Step 6: Final answer
    x = 31,257,502.55

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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.