Home / 12,807,798-17,674,900.80-7,006,455.18

Finding the Fourth Proportional to 12,807,798, 17,674,900.80 and 7,006,455.18

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Solution

The fourth proportional to 12,807,798, 17,674,900.80 and 7,006,455.18 is: 9,668,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,798 : 17,674,900.80 = 7,006,455.18 : x
  2. Step 2: Convert to fraction form
    12,807,798/17,674,900.80 = 7,006,455.18/x
  3. Step 3: Cross multiply
    12,807,798x = 17,674,900.80 × 7,006,455.18
  4. Step 4: Simplify right side
    12,807,798x = 123,838,400,266,146.14
  5. Step 5: Solve for x
    x = 123,838,400,266,146.14/12,807,798
  6. Step 6: Final answer
    x = 9,668,984.49

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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.