Home / 9,362,541.36-12,913,139.16-6,466,778.40

Finding the Fourth Proportional to 9,362,541.36, 12,913,139.16 and 6,466,778.40

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Solution

The fourth proportional to 9,362,541.36, 12,913,139.16 and 6,466,778.40 is: 8,919,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,541.36 : 12,913,139.16 = 6,466,778.40 : x
  2. Step 2: Convert to fraction form
    9,362,541.36/12,913,139.16 = 6,466,778.40/x
  3. Step 3: Cross multiply
    9,362,541.36x = 12,913,139.16 × 6,466,778.40
  4. Step 4: Simplify right side
    9,362,541.36x = 83,506,409,396,082.16
  5. Step 5: Solve for x
    x = 83,506,409,396,082.16/9,362,541.36
  6. Step 6: Final answer
    x = 8,919,203.26

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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.