Home / 15,526,078.34-21,426,132.86-8,557,004.40

Finding the Fourth Proportional to 15,526,078.34, 21,426,132.86 and 8,557,004.40

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Solution

The fourth proportional to 15,526,078.34, 21,426,132.86 and 8,557,004.40 is: 11,808,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,078.34 : 21,426,132.86 = 8,557,004.40 : x
  2. Step 2: Convert to fraction form
    15,526,078.34/21,426,132.86 = 8,557,004.40/x
  3. Step 3: Cross multiply
    15,526,078.34x = 21,426,132.86 × 8,557,004.40
  4. Step 4: Simplify right side
    15,526,078.34x = 183,343,513,158,004.59
  5. Step 5: Solve for x
    x = 183,343,513,158,004.59/15,526,078.34
  6. Step 6: Final answer
    x = 11,808,745.85

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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.