Home / 12,140,840.79-16,754,157.11-6,634,088.66

Finding the Fourth Proportional to 12,140,840.79, 16,754,157.11 and 6,634,088.66

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Solution

The fourth proportional to 12,140,840.79, 16,754,157.11 and 6,634,088.66 is: 9,154,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,840.79 : 16,754,157.11 = 6,634,088.66 : x
  2. Step 2: Convert to fraction form
    12,140,840.79/16,754,157.11 = 6,634,088.66/x
  3. Step 3: Cross multiply
    12,140,840.79x = 16,754,157.11 × 6,634,088.66
  4. Step 4: Simplify right side
    12,140,840.79x = 111,148,563,749,779.98
  5. Step 5: Solve for x
    x = 111,148,563,749,779.98/12,140,840.79
  6. Step 6: Final answer
    x = 9,154,931.33

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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.