Home / 15,551,036.61-21,460,439.76-8,675,518.68

Finding the Fourth Proportional to 15,551,036.61, 21,460,439.76 and 8,675,518.68

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Solution

The fourth proportional to 15,551,036.61, 21,460,439.76 and 8,675,518.68 is: 11,972,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,036.61 : 21,460,439.76 = 8,675,518.68 : x
  2. Step 2: Convert to fraction form
    15,551,036.61/21,460,439.76 = 8,675,518.68/x
  3. Step 3: Cross multiply
    15,551,036.61x = 21,460,439.76 × 8,675,518.68
  4. Step 4: Simplify right side
    15,551,036.61x = 186,180,446,018,894.72
  5. Step 5: Solve for x
    x = 186,180,446,018,894.72/15,551,036.61
  6. Step 6: Final answer
    x = 11,972,220.93

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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.