Home / 30,681,119.76-46,039,263.96-12,481,956.24

Finding the Fourth Proportional to 30,681,119.76, 46,039,263.96 and 12,481,956.24

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Solution

The fourth proportional to 30,681,119.76, 46,039,263.96 and 12,481,956.24 is: 18,730,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681,119.76 : 46,039,263.96 = 12,481,956.24 : x
  2. Step 2: Convert to fraction form
    30,681,119.76/46,039,263.96 = 12,481,956.24/x
  3. Step 3: Cross multiply
    30,681,119.76x = 46,039,263.96 × 12,481,956.24
  4. Step 4: Simplify right side
    30,681,119.76x = 574,660,078,070,529.12
  5. Step 5: Solve for x
    x = 574,660,078,070,529.12/30,681,119.76
  6. Step 6: Final answer
    x = 18,730,088.16

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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.