Home / 10,948,669.60-16,441,666.80-7,776,061.60

Finding the Fourth Proportional to 10,948,669.60, 16,441,666.80 and 7,776,061.60

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Solution

The fourth proportional to 10,948,669.60, 16,441,666.80 and 7,776,061.60 is: 11,677,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948,669.60 : 16,441,666.80 = 7,776,061.60 : x
  2. Step 2: Convert to fraction form
    10,948,669.60/16,441,666.80 = 7,776,061.60/x
  3. Step 3: Cross multiply
    10,948,669.60x = 16,441,666.80 × 7,776,061.60
  4. Step 4: Simplify right side
    10,948,669.60x = 127,851,413,843,474.88
  5. Step 5: Solve for x
    x = 127,851,413,843,474.88/10,948,669.60
  6. Step 6: Final answer
    x = 11,677,346.98

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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.