Home / 15,409,528.16-21,259,232.36-8,794,484.16

Finding the Fourth Proportional to 15,409,528.16, 21,259,232.36 and 8,794,484.16

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Solution

The fourth proportional to 15,409,528.16, 21,259,232.36 and 8,794,484.16 is: 12,133,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409,528.16 : 21,259,232.36 = 8,794,484.16 : x
  2. Step 2: Convert to fraction form
    15,409,528.16/21,259,232.36 = 8,794,484.16/x
  3. Step 3: Cross multiply
    15,409,528.16x = 21,259,232.36 × 8,794,484.16
  4. Step 4: Simplify right side
    15,409,528.16x = 186,963,982,272,647.38
  5. Step 5: Solve for x
    x = 186,963,982,272,647.38/15,409,528.16
  6. Step 6: Final answer
    x = 12,133,011.50

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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.