Home / 38,968,558.56-53,776,715.40-21,566,103.84

Finding the Fourth Proportional to 38,968,558.56, 53,776,715.40 and 21,566,103.84

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Solution

The fourth proportional to 38,968,558.56, 53,776,715.40 and 21,566,103.84 is: 29,761,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968,558.56 : 53,776,715.40 = 21,566,103.84 : x
  2. Step 2: Convert to fraction form
    38,968,558.56/53,776,715.40 = 21,566,103.84/x
  3. Step 3: Cross multiply
    38,968,558.56x = 53,776,715.40 × 21,566,103.84
  4. Step 4: Simplify right side
    38,968,558.56x = 1,159,754,228,490,527
  5. Step 5: Solve for x
    x = 1,159,754,228,490,527/38,968,558.56
  6. Step 6: Final answer
    x = 29,761,281.18

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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.