Home / 30,987,073.40-46,426,744.27-21,745,445.63

Finding the Fourth Proportional to 30,987,073.40, 46,426,744.27 and 21,745,445.63

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Solution

The fourth proportional to 30,987,073.40, 46,426,744.27 and 21,745,445.63 is: 32,580,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,073.40 : 46,426,744.27 = 21,745,445.63 : x
  2. Step 2: Convert to fraction form
    30,987,073.40/46,426,744.27 = 21,745,445.63/x
  3. Step 3: Cross multiply
    30,987,073.40x = 46,426,744.27 × 21,745,445.63
  4. Step 4: Simplify right side
    30,987,073.40x = 1,009,570,243,301,199.12
  5. Step 5: Solve for x
    x = 1,009,570,243,301,199.12/30,987,073.40
  6. Step 6: Final answer
    x = 32,580,367.63

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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.