Home / 30,562,802.90-42,176,432.13-16,811,465.30

Finding the Fourth Proportional to 30,562,802.90, 42,176,432.13 and 16,811,465.30

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Solution

The fourth proportional to 30,562,802.90, 42,176,432.13 and 16,811,465.30 is: 23,199,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562,802.90 : 42,176,432.13 = 16,811,465.30 : x
  2. Step 2: Convert to fraction form
    30,562,802.90/42,176,432.13 = 16,811,465.30/x
  3. Step 3: Cross multiply
    30,562,802.90x = 42,176,432.13 × 16,811,465.30
  4. Step 4: Simplify right side
    30,562,802.90x = 709,047,625,231,300.12
  5. Step 5: Solve for x
    x = 709,047,625,231,300.12/30,562,802.90
  6. Step 6: Final answer
    x = 23,199,692.37

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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.