Home / 21,913,547.16-30,238,036.44-12,624,124.92

Finding the Fourth Proportional to 21,913,547.16, 30,238,036.44 and 12,624,124.92

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Solution

The fourth proportional to 21,913,547.16, 30,238,036.44 and 12,624,124.92 is: 17,419,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,547.16 : 30,238,036.44 = 12,624,124.92 : x
  2. Step 2: Convert to fraction form
    21,913,547.16/30,238,036.44 = 12,624,124.92/x
  3. Step 3: Cross multiply
    21,913,547.16x = 30,238,036.44 × 12,624,124.92
  4. Step 4: Simplify right side
    21,913,547.16x = 381,728,749,354,072.12
  5. Step 5: Solve for x
    x = 381,728,749,354,072.12/21,913,547.16
  6. Step 6: Final answer
    x = 17,419,760.78

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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.