Home / 30,989,188.51-46,512,906.05-16,227,878.72

Finding the Fourth Proportional to 30,989,188.51, 46,512,906.05 and 16,227,878.72

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Solution

The fourth proportional to 30,989,188.51, 46,512,906.05 and 16,227,878.72 is: 24,357,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989,188.51 : 46,512,906.05 = 16,227,878.72 : x
  2. Step 2: Convert to fraction form
    30,989,188.51/46,512,906.05 = 16,227,878.72/x
  3. Step 3: Cross multiply
    30,989,188.51x = 46,512,906.05 × 16,227,878.72
  4. Step 4: Simplify right side
    30,989,188.51x = 754,805,798,102,159.50
  5. Step 5: Solve for x
    x = 754,805,798,102,159.50/30,989,188.51
  6. Step 6: Final answer
    x = 24,357,068.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.