Home / 8,778,089.81-12,113,781.65-4,910,675.56

Finding the Fourth Proportional to 8,778,089.81, 12,113,781.65 and 4,910,675.56

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Solution

The fourth proportional to 8,778,089.81, 12,113,781.65 and 4,910,675.56 is: 6,776,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,089.81 : 12,113,781.65 = 4,910,675.56 : x
  2. Step 2: Convert to fraction form
    8,778,089.81/12,113,781.65 = 4,910,675.56/x
  3. Step 3: Cross multiply
    8,778,089.81x = 12,113,781.65 × 4,910,675.56
  4. Step 4: Simplify right side
    8,778,089.81x = 59,486,851,487,831.47
  5. Step 5: Solve for x
    x = 59,486,851,487,831.47/8,778,089.81
  6. Step 6: Final answer
    x = 6,776,742.18

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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.