Home / 13,557,737.51-18,715,403.48-9,153,429.71

Finding the Fourth Proportional to 13,557,737.51, 18,715,403.48 and 9,153,429.71

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Solution

The fourth proportional to 13,557,737.51, 18,715,403.48 and 9,153,429.71 is: 12,635,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,737.51 : 18,715,403.48 = 9,153,429.71 : x
  2. Step 2: Convert to fraction form
    13,557,737.51/18,715,403.48 = 9,153,429.71/x
  3. Step 3: Cross multiply
    13,557,737.51x = 18,715,403.48 × 9,153,429.71
  4. Step 4: Simplify right side
    13,557,737.51x = 171,310,130,160,613.28
  5. Step 5: Solve for x
    x = 171,310,130,160,613.28/13,557,737.51
  6. Step 6: Final answer
    x = 12,635,598.68

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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.