Home / 10,991,956.40-16,487,934.60-6,953,004.80

Finding the Fourth Proportional to 10,991,956.40, 16,487,934.60 and 6,953,004.80

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Solution

The fourth proportional to 10,991,956.40, 16,487,934.60 and 6,953,004.80 is: 10,429,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,956.40 : 16,487,934.60 = 6,953,004.80 : x
  2. Step 2: Convert to fraction form
    10,991,956.40/16,487,934.60 = 6,953,004.80/x
  3. Step 3: Cross multiply
    10,991,956.40x = 16,487,934.60 × 6,953,004.80
  4. Step 4: Simplify right side
    10,991,956.40x = 114,640,688,415,886.08
  5. Step 5: Solve for x
    x = 114,640,688,415,886.08/10,991,956.40
  6. Step 6: Final answer
    x = 10,429,507.20

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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.