Home / 19,484,118.88-26,887,818.16-10,781,761.28

Finding the Fourth Proportional to 19,484,118.88, 26,887,818.16 and 10,781,761.28

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Solution

The fourth proportional to 19,484,118.88, 26,887,818.16 and 10,781,761.28 is: 14,878,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484,118.88 : 26,887,818.16 = 10,781,761.28 : x
  2. Step 2: Convert to fraction form
    19,484,118.88/26,887,818.16 = 10,781,761.28/x
  3. Step 3: Cross multiply
    19,484,118.88x = 26,887,818.16 × 10,781,761.28
  4. Step 4: Simplify right side
    19,484,118.88x = 289,898,036,741,168.81
  5. Step 5: Solve for x
    x = 289,898,036,741,168.81/19,484,118.88
  6. Step 6: Final answer
    x = 14,878,683.43

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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.