Home / 15,031,497.60-22,547,246.40-12,879,161.55

Finding the Fourth Proportional to 15,031,497.60, 22,547,246.40 and 12,879,161.55

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Solution

The fourth proportional to 15,031,497.60, 22,547,246.40 and 12,879,161.55 is: 19,318,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031,497.60 : 22,547,246.40 = 12,879,161.55 : x
  2. Step 2: Convert to fraction form
    15,031,497.60/22,547,246.40 = 12,879,161.55/x
  3. Step 3: Cross multiply
    15,031,497.60x = 22,547,246.40 × 12,879,161.55
  4. Step 4: Simplify right side
    15,031,497.60x = 290,389,628,893,255.94
  5. Step 5: Solve for x
    x = 290,389,628,893,255.94/15,031,497.60
  6. Step 6: Final answer
    x = 19,318,742.33

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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.