Home / 12,075,809.28-16,688,526.88-9,896,915.84

Finding the Fourth Proportional to 12,075,809.28, 16,688,526.88 and 9,896,915.84

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Solution

The fourth proportional to 12,075,809.28, 16,688,526.88 and 9,896,915.84 is: 13,677,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,809.28 : 16,688,526.88 = 9,896,915.84 : x
  2. Step 2: Convert to fraction form
    12,075,809.28/16,688,526.88 = 9,896,915.84/x
  3. Step 3: Cross multiply
    12,075,809.28x = 16,688,526.88 × 9,896,915.84
  4. Step 4: Simplify right side
    12,075,809.28x = 165,164,946,024,937.78
  5. Step 5: Solve for x
    x = 165,164,946,024,937.78/12,075,809.28
  6. Step 6: Final answer
    x = 13,677,339.73

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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.