Home / 12,191,486.16-18,290,270-8,604,260.24

Finding the Fourth Proportional to 12,191,486.16, 18,290,270 and 8,604,260.24

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Solution

The fourth proportional to 12,191,486.16, 18,290,270 and 8,604,260.24 is: 12,908,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,486.16 : 18,290,270 = 8,604,260.24 : x
  2. Step 2: Convert to fraction form
    12,191,486.16/18,290,270 = 8,604,260.24/x
  3. Step 3: Cross multiply
    12,191,486.16x = 18,290,270 × 8,604,260.24
  4. Step 4: Simplify right side
    12,191,486.16x = 157,374,242,939,864.81
  5. Step 5: Solve for x
    x = 157,374,242,939,864.81/12,191,486.16
  6. Step 6: Final answer
    x = 12,908,536.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.