Home / 51,866,019.36-71,575,327.08-28,345,023.72

Finding the Fourth Proportional to 51,866,019.36, 71,575,327.08 and 28,345,023.72

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Solution

The fourth proportional to 51,866,019.36, 71,575,327.08 and 28,345,023.72 is: 39,116,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866,019.36 : 71,575,327.08 = 28,345,023.72 : x
  2. Step 2: Convert to fraction form
    51,866,019.36/71,575,327.08 = 28,345,023.72/x
  3. Step 3: Cross multiply
    51,866,019.36x = 71,575,327.08 × 28,345,023.72
  4. Step 4: Simplify right side
    51,866,019.36x = 2,028,804,343,849,358.25
  5. Step 5: Solve for x
    x = 2,028,804,343,849,358.25/51,866,019.36
  6. Step 6: Final answer
    x = 39,116,253.16

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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.