Home / 30,166,597.20-45,249,988.80-7,447,496.88

Finding the Fourth Proportional to 30,166,597.20, 45,249,988.80 and 7,447,496.88

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Solution

The fourth proportional to 30,166,597.20, 45,249,988.80 and 7,447,496.88 is: 11,171,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166,597.20 : 45,249,988.80 = 7,447,496.88 : x
  2. Step 2: Convert to fraction form
    30,166,597.20/45,249,988.80 = 7,447,496.88/x
  3. Step 3: Cross multiply
    30,166,597.20x = 45,249,988.80 × 7,447,496.88
  4. Step 4: Simplify right side
    30,166,597.20x = 336,999,150,408,034.94
  5. Step 5: Solve for x
    x = 336,999,150,408,034.94/30,166,597.20
  6. Step 6: Final answer
    x = 11,171,268.28

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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.