Home / 30,562,802.40-42,176,431.44-16,811,464.80

Finding the Fourth Proportional to 30,562,802.40, 42,176,431.44 and 16,811,464.80

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Solution

The fourth proportional to 30,562,802.40, 42,176,431.44 and 16,811,464.80 is: 23,199,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562,802.40 : 42,176,431.44 = 16,811,464.80 : x
  2. Step 2: Convert to fraction form
    30,562,802.40/42,176,431.44 = 16,811,464.80/x
  3. Step 3: Cross multiply
    30,562,802.40x = 42,176,431.44 × 16,811,464.80
  4. Step 4: Simplify right side
    30,562,802.40x = 709,047,592,543,173.25
  5. Step 5: Solve for x
    x = 709,047,592,543,173.25/30,562,802.40
  6. Step 6: Final answer
    x = 23,199,691.68

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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.