Home / 30,621,140.10-45,931,710.15-22,011,795.90

Finding the Fourth Proportional to 30,621,140.10, 45,931,710.15 and 22,011,795.90

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Solution

The fourth proportional to 30,621,140.10, 45,931,710.15 and 22,011,795.90 is: 33,017,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,140.10 : 45,931,710.15 = 22,011,795.90 : x
  2. Step 2: Convert to fraction form
    30,621,140.10/45,931,710.15 = 22,011,795.90/x
  3. Step 3: Cross multiply
    30,621,140.10x = 45,931,710.15 × 22,011,795.90
  4. Step 4: Simplify right side
    30,621,140.10x = 1,011,039,429,159,758.25
  5. Step 5: Solve for x
    x = 1,011,039,429,159,758.25/30,621,140.10
  6. Step 6: Final answer
    x = 33,017,693.85

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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.