Home / 21,035,554.66-31,554,480.12-6,657,549.58

Finding the Fourth Proportional to 21,035,554.66, 31,554,480.12 and 6,657,549.58

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Solution

The fourth proportional to 21,035,554.66, 31,554,480.12 and 6,657,549.58 is: 9,986,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035,554.66 : 31,554,480.12 = 6,657,549.58 : x
  2. Step 2: Convert to fraction form
    21,035,554.66/31,554,480.12 = 6,657,549.58/x
  3. Step 3: Cross multiply
    21,035,554.66x = 31,554,480.12 × 6,657,549.58
  4. Step 4: Simplify right side
    21,035,554.66x = 210,075,515,870,024.34
  5. Step 5: Solve for x
    x = 210,075,515,870,024.34/21,035,554.66
  6. Step 6: Final answer
    x = 9,986,687.74

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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.