Home / 30,522,693.63-42,121,307.52-16,772,543.49

Finding the Fourth Proportional to 30,522,693.63, 42,121,307.52 and 16,772,543.49

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Solution

The fourth proportional to 30,522,693.63, 42,121,307.52 and 16,772,543.49 is: 23,146,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522,693.63 : 42,121,307.52 = 16,772,543.49 : x
  2. Step 2: Convert to fraction form
    30,522,693.63/42,121,307.52 = 16,772,543.49/x
  3. Step 3: Cross multiply
    30,522,693.63x = 42,121,307.52 × 16,772,543.49
  4. Step 4: Simplify right side
    30,522,693.63x = 706,481,462,234,864.12
  5. Step 5: Solve for x
    x = 706,481,462,234,864.12/30,522,693.63
  6. Step 6: Final answer
    x = 23,146,104.69

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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.