Home / 15,779,002,916.40-21,775,035,764.16-8,545,106,546.88

Finding the Fourth Proportional to 15,779,002,916.40, 21,775,035,764.16 and 8,545,106,546.88

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Solution

The fourth proportional to 15,779,002,916.40, 21,775,035,764.16 and 8,545,106,546.88 is: 11,792,253,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,002,916.40 : 21,775,035,764.16 = 8,545,106,546.88 : x
  2. Step 2: Convert to fraction form
    15,779,002,916.40/21,775,035,764.16 = 8,545,106,546.88/x
  3. Step 3: Cross multiply
    15,779,002,916.40x = 21,775,035,764.16 × 8,545,106,546.88
  4. Step 4: Simplify right side
    15,779,002,916.40x = 186,070,000,666,869,760,000
  5. Step 5: Solve for x
    x = 186,070,000,666,869,760,000/15,779,002,916.40
  6. Step 6: Final answer
    x = 11,792,253,392.23

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1.5x scale

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.