Home / 7,776,666.15-11,664,999.23-6,642,925.35

Finding the Fourth Proportional to 7,776,666.15, 11,664,999.23 and 6,642,925.35

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Solution

The fourth proportional to 7,776,666.15, 11,664,999.23 and 6,642,925.35 is: 9,964,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,666.15 : 11,664,999.23 = 6,642,925.35 : x
  2. Step 2: Convert to fraction form
    7,776,666.15/11,664,999.23 = 6,642,925.35/x
  3. Step 3: Cross multiply
    7,776,666.15x = 11,664,999.23 × 6,642,925.35
  4. Step 4: Simplify right side
    7,776,666.15x = 77,489,719,059,482.84
  5. Step 5: Solve for x
    x = 77,489,719,059,482.84/7,776,666.15
  6. Step 6: Final answer
    x = 9,964,388.03

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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.