Home / 30,563,897.95-42,178,401.51-16,625,373.45

Finding the Fourth Proportional to 30,563,897.95, 42,178,401.51 and 16,625,373.45

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Solution

The fourth proportional to 30,563,897.95, 42,178,401.51 and 16,625,373.45 is: 22,943,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563,897.95 : 42,178,401.51 = 16,625,373.45 : x
  2. Step 2: Convert to fraction form
    30,563,897.95/42,178,401.51 = 16,625,373.45/x
  3. Step 3: Cross multiply
    30,563,897.95x = 42,178,401.51 × 16,625,373.45
  4. Step 4: Simplify right side
    30,563,897.95x = 701,231,676,525,927.62
  5. Step 5: Solve for x
    x = 701,231,676,525,927.62/30,563,897.95
  6. Step 6: Final answer
    x = 22,943,136.30

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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.