Home / 31,206,837.40-46,810,256.10-19,113,602.20

Finding the Fourth Proportional to 31,206,837.40, 46,810,256.10 and 19,113,602.20

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Solution

The fourth proportional to 31,206,837.40, 46,810,256.10 and 19,113,602.20 is: 28,670,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206,837.40 : 46,810,256.10 = 19,113,602.20 : x
  2. Step 2: Convert to fraction form
    31,206,837.40/46,810,256.10 = 19,113,602.20/x
  3. Step 3: Cross multiply
    31,206,837.40x = 46,810,256.10 × 19,113,602.20
  4. Step 4: Simplify right side
    31,206,837.40x = 894,712,613,975,523.38
  5. Step 5: Solve for x
    x = 894,712,613,975,523.38/31,206,837.40
  6. Step 6: Final answer
    x = 28,670,403.30

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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.