Home / 15,854,782.25-21,881,136.39-8,886,643.95

Finding the Fourth Proportional to 15,854,782.25, 21,881,136.39 and 8,886,643.95

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Solution

The fourth proportional to 15,854,782.25, 21,881,136.39 and 8,886,643.95 is: 12,264,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854,782.25 : 21,881,136.39 = 8,886,643.95 : x
  2. Step 2: Convert to fraction form
    15,854,782.25/21,881,136.39 = 8,886,643.95/x
  3. Step 3: Cross multiply
    15,854,782.25x = 21,881,136.39 × 8,886,643.95
  4. Step 4: Simplify right side
    15,854,782.25x = 194,449,868,368,047.69
  5. Step 5: Solve for x
    x = 194,449,868,368,047.69/15,854,782.25
  6. Step 6: Final answer
    x = 12,264,430.08

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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.