Home / 12,709,393.64-17,547,409.16-9,763,965.08

Finding the Fourth Proportional to 12,709,393.64, 17,547,409.16 and 9,763,965.08

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Solution

The fourth proportional to 12,709,393.64, 17,547,409.16 and 9,763,965.08 is: 13,480,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,393.64 : 17,547,409.16 = 9,763,965.08 : x
  2. Step 2: Convert to fraction form
    12,709,393.64/17,547,409.16 = 9,763,965.08/x
  3. Step 3: Cross multiply
    12,709,393.64x = 17,547,409.16 × 9,763,965.08
  4. Step 4: Simplify right side
    12,709,393.64x = 171,332,290,282,712.12
  5. Step 5: Solve for x
    x = 171,332,290,282,712.12/12,709,393.64
  6. Step 6: Final answer
    x = 13,480,760.38

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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.