Home / 30,228,901.98-45,316,503.84-11,780,573.72

Finding the Fourth Proportional to 30,228,901.98, 45,316,503.84 and 11,780,573.72

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Solution

The fourth proportional to 30,228,901.98, 45,316,503.84 and 11,780,573.72 is: 17,660,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228,901.98 : 45,316,503.84 = 11,780,573.72 : x
  2. Step 2: Convert to fraction form
    30,228,901.98/45,316,503.84 = 11,780,573.72/x
  3. Step 3: Cross multiply
    30,228,901.98x = 45,316,503.84 × 11,780,573.72
  4. Step 4: Simplify right side
    30,228,901.98x = 533,854,414,219,783.19
  5. Step 5: Solve for x
    x = 533,854,414,219,783.19/30,228,901.98
  6. Step 6: Final answer
    x = 17,660,397.14

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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.