Home / 15,013,438,021.77-20,717,175,063.02-8,908,738,604.00

Finding the Fourth Proportional to 15,013,438,021.77, 20,717,175,063.02 and 8,908,738,604.00

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Solution

The fourth proportional to 15,013,438,021.77, 20,717,175,063.02 and 8,908,738,604.00 is: 12,293,246,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,438,021.77 : 20,717,175,063.02 = 8,908,738,604.00 : x
  2. Step 2: Convert to fraction form
    15,013,438,021.77/20,717,175,063.02 = 8,908,738,604.00/x
  3. Step 3: Cross multiply
    15,013,438,021.77x = 20,717,175,063.02 × 8,908,738,604.00
  4. Step 4: Simplify right side
    15,013,438,021.77x = 184,563,897,249,604,304,896
  5. Step 5: Solve for x
    x = 184,563,897,249,604,304,896/15,013,438,021.77
  6. Step 6: Final answer
    x = 12,293,246,688.87

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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.