Home / 15,586,417.52-21,509,287.40-8,710,899.40

Finding the Fourth Proportional to 15,586,417.52, 21,509,287.40 and 8,710,899.40

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Solution

The fourth proportional to 15,586,417.52, 21,509,287.40 and 8,710,899.40 is: 12,021,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,417.52 : 21,509,287.40 = 8,710,899.40 : x
  2. Step 2: Convert to fraction form
    15,586,417.52/21,509,287.40 = 8,710,899.40/x
  3. Step 3: Cross multiply
    15,586,417.52x = 21,509,287.40 × 8,710,899.40
  4. Step 4: Simplify right side
    15,586,417.52x = 187,365,238,707,087.56
  5. Step 5: Solve for x
    x = 187,365,238,707,087.56/15,586,417.52
  6. Step 6: Final answer
    x = 12,021,058.62

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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.