Home / 30,569,147.12-42,185,421.60-16,817,816

Finding the Fourth Proportional to 30,569,147.12, 42,185,421.60 and 16,817,816

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Solution

The fourth proportional to 30,569,147.12, 42,185,421.60 and 16,817,816 is: 23,208,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569,147.12 : 42,185,421.60 = 16,817,816 : x
  2. Step 2: Convert to fraction form
    30,569,147.12/42,185,421.60 = 16,817,816/x
  3. Step 3: Cross multiply
    30,569,147.12x = 42,185,421.60 × 16,817,816
  4. Step 4: Simplify right side
    30,569,147.12x = 709,466,658,351,225.62
  5. Step 5: Solve for x
    x = 709,466,658,351,225.62/30,569,147.12
  6. Step 6: Final answer
    x = 23,208,585.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.