Home / 30,527,980.20-45,763,510.14-10,319,089.32

Finding the Fourth Proportional to 30,527,980.20, 45,763,510.14 and 10,319,089.32

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Solution

The fourth proportional to 30,527,980.20, 45,763,510.14 and 10,319,089.32 is: 15,469,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527,980.20 : 45,763,510.14 = 10,319,089.32 : x
  2. Step 2: Convert to fraction form
    30,527,980.20/45,763,510.14 = 10,319,089.32/x
  3. Step 3: Cross multiply
    30,527,980.20x = 45,763,510.14 × 10,319,089.32
  4. Step 4: Simplify right side
    30,527,980.20x = 472,237,748,731,385.75
  5. Step 5: Solve for x
    x = 472,237,748,731,385.75/30,527,980.20
  6. Step 6: Final answer
    x = 15,469,013.86

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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.