Home / 39,364,908.96-59,064,410.16-21,147,849.12

Finding the Fourth Proportional to 39,364,908.96, 59,064,410.16 and 21,147,849.12

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Solution

The fourth proportional to 39,364,908.96, 59,064,410.16 and 21,147,849.12 is: 31,730,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364,908.96 : 59,064,410.16 = 21,147,849.12 : x
  2. Step 2: Convert to fraction form
    39,364,908.96/59,064,410.16 = 21,147,849.12/x
  3. Step 3: Cross multiply
    39,364,908.96x = 59,064,410.16 × 21,147,849.12
  4. Step 4: Simplify right side
    39,364,908.96x = 1,249,085,234,425,475
  5. Step 5: Solve for x
    x = 1,249,085,234,425,475/39,364,908.96
  6. Step 6: Final answer
    x = 31,730,931.62

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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.