Home / 9,712,650.74-13,403,106.70-5,361,643.60

Finding the Fourth Proportional to 9,712,650.74, 13,403,106.70 and 5,361,643.60

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Solution

The fourth proportional to 9,712,650.74, 13,403,106.70 and 5,361,643.60 is: 7,398,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,650.74 : 13,403,106.70 = 5,361,643.60 : x
  2. Step 2: Convert to fraction form
    9,712,650.74/13,403,106.70 = 5,361,643.60/x
  3. Step 3: Cross multiply
    9,712,650.74x = 13,403,106.70 × 5,361,643.60
  4. Step 4: Simplify right side
    9,712,650.74x = 71,862,681,258,172.11
  5. Step 5: Solve for x
    x = 71,862,681,258,172.11/9,712,650.74
  6. Step 6: Final answer
    x = 7,398,874.23

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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.