Home / 19,992,683.40-29,989,025.10-11,466,007.80

Finding the Fourth Proportional to 19,992,683.40, 29,989,025.10 and 11,466,007.80

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Solution

The fourth proportional to 19,992,683.40, 29,989,025.10 and 11,466,007.80 is: 17,199,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992,683.40 : 29,989,025.10 = 11,466,007.80 : x
  2. Step 2: Convert to fraction form
    19,992,683.40/29,989,025.10 = 11,466,007.80/x
  3. Step 3: Cross multiply
    19,992,683.40x = 29,989,025.10 × 11,466,007.80
  4. Step 4: Simplify right side
    19,992,683.40x = 343,854,395,710,995.81
  5. Step 5: Solve for x
    x = 343,854,395,710,995.81/19,992,683.40
  6. Step 6: Final answer
    x = 17,199,011.70

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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.