Home / 8,587,643.12-11,837,848.20-7,276,054.40

Finding the Fourth Proportional to 8,587,643.12, 11,837,848.20 and 7,276,054.40

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Solution

The fourth proportional to 8,587,643.12, 11,837,848.20 and 7,276,054.40 is: 10,029,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,643.12 : 11,837,848.20 = 7,276,054.40 : x
  2. Step 2: Convert to fraction form
    8,587,643.12/11,837,848.20 = 7,276,054.40/x
  3. Step 3: Cross multiply
    8,587,643.12x = 11,837,848.20 × 7,276,054.40
  4. Step 4: Simplify right side
    8,587,643.12x = 86,132,827,482,142.08
  5. Step 5: Solve for x
    x = 86,132,827,482,142.08/8,587,643.12
  6. Step 6: Final answer
    x = 10,029,856.42

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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.