Home / 25,305,368.40-34,921,345.45-13,702,931.24

Finding the Fourth Proportional to 25,305,368.40, 34,921,345.45 and 13,702,931.24

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Solution

The fourth proportional to 25,305,368.40, 34,921,345.45 and 13,702,931.24 is: 18,910,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,368.40 : 34,921,345.45 = 13,702,931.24 : x
  2. Step 2: Convert to fraction form
    25,305,368.40/34,921,345.45 = 13,702,931.24/x
  3. Step 3: Cross multiply
    25,305,368.40x = 34,921,345.45 × 13,702,931.24
  4. Step 4: Simplify right side
    25,305,368.40x = 478,524,795,509,636.94
  5. Step 5: Solve for x
    x = 478,524,795,509,636.94/25,305,368.40
  6. Step 6: Final answer
    x = 18,910,011.03

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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.