Home / 30,723,210.76-42,399,318.90-17,670,473.32

Finding the Fourth Proportional to 30,723,210.76, 42,399,318.90 and 17,670,473.32

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Solution

The fourth proportional to 30,723,210.76, 42,399,318.90 and 17,670,473.32 is: 24,385,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723,210.76 : 42,399,318.90 = 17,670,473.32 : x
  2. Step 2: Convert to fraction form
    30,723,210.76/42,399,318.90 = 17,670,473.32/x
  3. Step 3: Cross multiply
    30,723,210.76x = 42,399,318.90 × 17,670,473.32
  4. Step 4: Simplify right side
    30,723,210.76x = 749,216,033,408,621.75
  5. Step 5: Solve for x
    x = 749,216,033,408,621.75/30,723,210.76
  6. Step 6: Final answer
    x = 24,385,994.01

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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.