Home / 12,616,279.72-18,924,417.63-3,031,658.26

Finding the Fourth Proportional to 12,616,279.72, 18,924,417.63 and 3,031,658.26

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Solution

The fourth proportional to 12,616,279.72, 18,924,417.63 and 3,031,658.26 is: 4,547,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,279.72 : 18,924,417.63 = 3,031,658.26 : x
  2. Step 2: Convert to fraction form
    12,616,279.72/18,924,417.63 = 3,031,658.26/x
  3. Step 3: Cross multiply
    12,616,279.72x = 18,924,417.63 × 3,031,658.26
  4. Step 4: Simplify right side
    12,616,279.72x = 57,372,366,976,368.07
  5. Step 5: Solve for x
    x = 57,372,366,976,368.07/12,616,279.72
  6. Step 6: Final answer
    x = 4,547,486.92

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1.5x scale

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.