Home / 7,465,603.12-10,302,417.93-4,202,407.78

Finding the Fourth Proportional to 7,465,603.12, 10,302,417.93 and 4,202,407.78

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Solution

The fourth proportional to 7,465,603.12, 10,302,417.93 and 4,202,407.78 is: 5,799,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465,603.12 : 10,302,417.93 = 4,202,407.78 : x
  2. Step 2: Convert to fraction form
    7,465,603.12/10,302,417.93 = 4,202,407.78/x
  3. Step 3: Cross multiply
    7,465,603.12x = 10,302,417.93 × 4,202,407.78
  4. Step 4: Simplify right side
    7,465,603.12x = 43,294,961,261,843.50
  5. Step 5: Solve for x
    x = 43,294,961,261,843.50/7,465,603.12
  6. Step 6: Final answer
    x = 5,799,258.35

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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.