Home / 12,985,958.64-19,478,740.32-4,466,368.92

Finding the Fourth Proportional to 12,985,958.64, 19,478,740.32 and 4,466,368.92

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Solution

The fourth proportional to 12,985,958.64, 19,478,740.32 and 4,466,368.92 is: 6,699,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985,958.64 : 19,478,740.32 = 4,466,368.92 : x
  2. Step 2: Convert to fraction form
    12,985,958.64/19,478,740.32 = 4,466,368.92/x
  3. Step 3: Cross multiply
    12,985,958.64x = 19,478,740.32 × 4,466,368.92
  4. Step 4: Simplify right side
    12,985,958.64x = 86,999,240,365,998.86
  5. Step 5: Solve for x
    x = 86,999,240,365,998.86/12,985,958.64
  6. Step 6: Final answer
    x = 6,699,485.40

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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.