Home / 15,551,036.12-21,460,439.08-8,675,518.16

Finding the Fourth Proportional to 15,551,036.12, 21,460,439.08 and 8,675,518.16

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Solution

The fourth proportional to 15,551,036.12, 21,460,439.08 and 8,675,518.16 is: 11,972,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,036.12 : 21,460,439.08 = 8,675,518.16 : x
  2. Step 2: Convert to fraction form
    15,551,036.12/21,460,439.08 = 8,675,518.16/x
  3. Step 3: Cross multiply
    15,551,036.12x = 21,460,439.08 × 8,675,518.16
  4. Step 4: Simplify right side
    15,551,036.12x = 186,180,428,960,113.69
  5. Step 5: Solve for x
    x = 186,180,428,960,113.69/15,551,036.12
  6. Step 6: Final answer
    x = 11,972,220.21

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Double scale
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1.5x scale

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.