Home / 21,989,075-32,985,712.02-6,838,938.68

Finding the Fourth Proportional to 21,989,075, 32,985,712.02 and 6,838,938.68

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Solution

The fourth proportional to 21,989,075, 32,985,712.02 and 6,838,938.68 is: 10,259,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,075 : 32,985,712.02 = 6,838,938.68 : x
  2. Step 2: Convert to fraction form
    21,989,075/32,985,712.02 = 6,838,938.68/x
  3. Step 3: Cross multiply
    21,989,075x = 32,985,712.02 × 6,838,938.68
  4. Step 4: Simplify right side
    21,989,075x = 225,587,261,820,918.91
  5. Step 5: Solve for x
    x = 225,587,261,820,918.91/21,989,075
  6. Step 6: Final answer
    x = 10,259,061.00

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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.