Home / 15,990,289-22,066,599.66-8,648,120.08

Finding the Fourth Proportional to 15,990,289, 22,066,599.66 and 8,648,120.08

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Solution

The fourth proportional to 15,990,289, 22,066,599.66 and 8,648,120.08 is: 11,934,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,289 : 22,066,599.66 = 8,648,120.08 : x
  2. Step 2: Convert to fraction form
    15,990,289/22,066,599.66 = 8,648,120.08/x
  3. Step 3: Cross multiply
    15,990,289x = 22,066,599.66 × 8,648,120.08
  4. Step 4: Simplify right side
    15,990,289x = 190,834,603,616,967.19
  5. Step 5: Solve for x
    x = 190,834,603,616,967.19/15,990,289
  6. Step 6: Final answer
    x = 11,934,406.16

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1.5x scale

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.