Home / 14,610,461,915.70-21,915,692,873.55-12,518,391,275.10

Finding the Fourth Proportional to 14,610,461,915.70, 21,915,692,873.55 and 12,518,391,275.10

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Solution

The fourth proportional to 14,610,461,915.70, 21,915,692,873.55 and 12,518,391,275.10 is: 18,777,586,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610,461,915.70 : 21,915,692,873.55 = 12,518,391,275.10 : x
  2. Step 2: Convert to fraction form
    14,610,461,915.70/21,915,692,873.55 = 12,518,391,275.10/x
  3. Step 3: Cross multiply
    14,610,461,915.70x = 21,915,692,873.55 × 12,518,391,275.10
  4. Step 4: Simplify right side
    14,610,461,915.70x = 274,349,218,456,019,566,592
  5. Step 5: Solve for x
    x = 274,349,218,456,019,566,592/14,610,461,915.70
  6. Step 6: Final answer
    x = 18,777,586,912.65

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1.5x scale

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.