Home / 21,064,042.80-31,596,064.20-17,473,863.60

Finding the Fourth Proportional to 21,064,042.80, 31,596,064.20 and 17,473,863.60

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Solution

The fourth proportional to 21,064,042.80, 31,596,064.20 and 17,473,863.60 is: 26,210,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,042.80 : 31,596,064.20 = 17,473,863.60 : x
  2. Step 2: Convert to fraction form
    21,064,042.80/31,596,064.20 = 17,473,863.60/x
  3. Step 3: Cross multiply
    21,064,042.80x = 31,596,064.20 × 17,473,863.60
  4. Step 4: Simplify right side
    21,064,042.80x = 552,105,316,127,643.12
  5. Step 5: Solve for x
    x = 552,105,316,127,643.12/21,064,042.80
  6. Step 6: Final answer
    x = 26,210,795.40

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Similar ratio
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1.5x scale

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.