Home / 12,547,557.60-18,821,336.40-9,358,911.60

Finding the Fourth Proportional to 12,547,557.60, 18,821,336.40 and 9,358,911.60

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Solution

The fourth proportional to 12,547,557.60, 18,821,336.40 and 9,358,911.60 is: 14,038,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,557.60 : 18,821,336.40 = 9,358,911.60 : x
  2. Step 2: Convert to fraction form
    12,547,557.60/18,821,336.40 = 9,358,911.60/x
  3. Step 3: Cross multiply
    12,547,557.60x = 18,821,336.40 × 9,358,911.60
  4. Step 4: Simplify right side
    12,547,557.60x = 176,147,223,561,462.22
  5. Step 5: Solve for x
    x = 176,147,223,561,462.22/12,547,557.60
  6. Step 6: Final answer
    x = 14,038,367.40

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Similar ratio
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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.