Home / 13,076,349.88-18,045,528.08-7,196,660.83

Finding the Fourth Proportional to 13,076,349.88, 18,045,528.08 and 7,196,660.83

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Solution

The fourth proportional to 13,076,349.88, 18,045,528.08 and 7,196,660.83 is: 9,931,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,349.88 : 18,045,528.08 = 7,196,660.83 : x
  2. Step 2: Convert to fraction form
    13,076,349.88/18,045,528.08 = 7,196,660.83/x
  3. Step 3: Cross multiply
    13,076,349.88x = 18,045,528.08 × 7,196,660.83
  4. Step 4: Simplify right side
    13,076,349.88x = 129,867,545,090,001.09
  5. Step 5: Solve for x
    x = 129,867,545,090,001.09/13,076,349.88
  6. Step 6: Final answer
    x = 9,931,482.89

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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.