Home / 10,118,102.57-13,963,785.90-6,448,666.49

Finding the Fourth Proportional to 10,118,102.57, 13,963,785.90 and 6,448,666.49

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Solution

The fourth proportional to 10,118,102.57, 13,963,785.90 and 6,448,666.49 is: 8,899,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118,102.57 : 13,963,785.90 = 6,448,666.49 : x
  2. Step 2: Convert to fraction form
    10,118,102.57/13,963,785.90 = 6,448,666.49/x
  3. Step 3: Cross multiply
    10,118,102.57x = 13,963,785.90 × 6,448,666.49
  4. Step 4: Simplify right side
    10,118,102.57x = 90,047,798,137,045.56
  5. Step 5: Solve for x
    x = 90,047,798,137,045.56/10,118,102.57
  6. Step 6: Final answer
    x = 8,899,672.40

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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.