Home / 12,015,904.48-16,581,877.12-6,509,384.32

Finding the Fourth Proportional to 12,015,904.48, 16,581,877.12 and 6,509,384.32

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Solution

The fourth proportional to 12,015,904.48, 16,581,877.12 and 6,509,384.32 is: 8,982,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,904.48 : 16,581,877.12 = 6,509,384.32 : x
  2. Step 2: Convert to fraction form
    12,015,904.48/16,581,877.12 = 6,509,384.32/x
  3. Step 3: Cross multiply
    12,015,904.48x = 16,581,877.12 × 6,509,384.32
  4. Step 4: Simplify right side
    12,015,904.48x = 107,937,810,921,094.77
  5. Step 5: Solve for x
    x = 107,937,810,921,094.77/12,015,904.48
  6. Step 6: Final answer
    x = 8,982,911.86

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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.