Home / 27,670,220.72-41,472,309.72-12,878,411.32

Finding the Fourth Proportional to 27,670,220.72, 41,472,309.72 and 12,878,411.32

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Solution

The fourth proportional to 27,670,220.72, 41,472,309.72 and 12,878,411.32 is: 19,302,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670,220.72 : 41,472,309.72 = 12,878,411.32 : x
  2. Step 2: Convert to fraction form
    27,670,220.72/41,472,309.72 = 12,878,411.32/x
  3. Step 3: Cross multiply
    27,670,220.72x = 41,472,309.72 × 12,878,411.32
  4. Step 4: Simplify right side
    27,670,220.72x = 534,097,462,964,594
  5. Step 5: Solve for x
    x = 534,097,462,964,594/27,670,220.72
  6. Step 6: Final answer
    x = 19,302,248.01

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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.