Home / 21,261,341.76-31,896,663.66-6,885,862.74

Finding the Fourth Proportional to 21,261,341.76, 31,896,663.66 and 6,885,862.74

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Solution

The fourth proportional to 21,261,341.76, 31,896,663.66 and 6,885,862.74 is: 10,330,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,341.76 : 31,896,663.66 = 6,885,862.74 : x
  2. Step 2: Convert to fraction form
    21,261,341.76/31,896,663.66 = 6,885,862.74/x
  3. Step 3: Cross multiply
    21,261,341.76x = 31,896,663.66 × 6,885,862.74
  4. Step 4: Simplify right side
    21,261,341.76x = 219,636,047,826,706.03
  5. Step 5: Solve for x
    x = 219,636,047,826,706.03/21,261,341.76
  6. Step 6: Final answer
    x = 10,330,300.43

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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.