Home / 30,532,594.40-45,819,886.80-12,581,698.40

Finding the Fourth Proportional to 30,532,594.40, 45,819,886.80 and 12,581,698.40

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Solution

The fourth proportional to 30,532,594.40, 45,819,886.80 and 12,581,698.40 is: 18,881,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532,594.40 : 45,819,886.80 = 12,581,698.40 : x
  2. Step 2: Convert to fraction form
    30,532,594.40/45,819,886.80 = 12,581,698.40/x
  3. Step 3: Cross multiply
    30,532,594.40x = 45,819,886.80 × 12,581,698.40
  4. Step 4: Simplify right side
    30,532,594.40x = 576,491,996,439,741.12
  5. Step 5: Solve for x
    x = 576,491,996,439,741.12/30,532,594.40
  6. Step 6: Final answer
    x = 18,881,199.18

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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.