Home / 15,574,282.74-21,492,943.54-8,605,409.33

Finding the Fourth Proportional to 15,574,282.74, 21,492,943.54 and 8,605,409.33

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Solution

The fourth proportional to 15,574,282.74, 21,492,943.54 and 8,605,409.33 is: 11,875,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574,282.74 : 21,492,943.54 = 8,605,409.33 : x
  2. Step 2: Convert to fraction form
    15,574,282.74/21,492,943.54 = 8,605,409.33/x
  3. Step 3: Cross multiply
    15,574,282.74x = 21,492,943.54 × 8,605,409.33
  4. Step 4: Simplify right side
    15,574,282.74x = 184,955,576,844,953.09
  5. Step 5: Solve for x
    x = 184,955,576,844,953.09/15,574,282.74
  6. Step 6: Final answer
    x = 11,875,704.32

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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.