Home / 30,436,857.78-42,001,738.02-16,497,913.59

Finding the Fourth Proportional to 30,436,857.78, 42,001,738.02 and 16,497,913.59

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Solution

The fourth proportional to 30,436,857.78, 42,001,738.02 and 16,497,913.59 is: 22,766,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,857.78 : 42,001,738.02 = 16,497,913.59 : x
  2. Step 2: Convert to fraction form
    30,436,857.78/42,001,738.02 = 16,497,913.59/x
  3. Step 3: Cross multiply
    30,436,857.78x = 42,001,738.02 × 16,497,913.59
  4. Step 4: Simplify right side
    30,436,857.78x = 692,941,044,483,777.75
  5. Step 5: Solve for x
    x = 692,941,044,483,777.75/30,436,857.78
  6. Step 6: Final answer
    x = 22,766,510.57

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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.