Home / 28,402,452.36-42,561,746.46-13,011,775.20

Finding the Fourth Proportional to 28,402,452.36, 42,561,746.46 and 13,011,775.20

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Solution

The fourth proportional to 28,402,452.36, 42,561,746.46 and 13,011,775.20 is: 19,498,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,452.36 : 42,561,746.46 = 13,011,775.20 : x
  2. Step 2: Convert to fraction form
    28,402,452.36/42,561,746.46 = 13,011,775.20/x
  3. Step 3: Cross multiply
    28,402,452.36x = 42,561,746.46 × 13,011,775.20
  4. Step 4: Simplify right side
    28,402,452.36x = 553,803,877,056,915.75
  5. Step 5: Solve for x
    x = 553,803,877,056,915.75/28,402,452.36
  6. Step 6: Final answer
    x = 19,498,452.81

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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.