Home / 12,778,587.84-17,634,814.56-6,977,737.92

Finding the Fourth Proportional to 12,778,587.84, 17,634,814.56 and 6,977,737.92

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Solution

The fourth proportional to 12,778,587.84, 17,634,814.56 and 6,977,737.92 is: 9,629,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,587.84 : 17,634,814.56 = 6,977,737.92 : x
  2. Step 2: Convert to fraction form
    12,778,587.84/17,634,814.56 = 6,977,737.92/x
  3. Step 3: Cross multiply
    12,778,587.84x = 17,634,814.56 × 6,977,737.92
  4. Step 4: Simplify right side
    12,778,587.84x = 123,051,114,267,480.11
  5. Step 5: Solve for x
    x = 123,051,114,267,480.11/12,778,587.84
  6. Step 6: Final answer
    x = 9,629,476.73

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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.