Home / 19,011,323.70-28,516,985.55-9,428,181.30

Finding the Fourth Proportional to 19,011,323.70, 28,516,985.55 and 9,428,181.30

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Solution

The fourth proportional to 19,011,323.70, 28,516,985.55 and 9,428,181.30 is: 14,142,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,323.70 : 28,516,985.55 = 9,428,181.30 : x
  2. Step 2: Convert to fraction form
    19,011,323.70/28,516,985.55 = 9,428,181.30/x
  3. Step 3: Cross multiply
    19,011,323.70x = 28,516,985.55 × 9,428,181.30
  4. Step 4: Simplify right side
    19,011,323.70x = 268,863,309,894,880.25
  5. Step 5: Solve for x
    x = 268,863,309,894,880.25/19,011,323.70
  6. Step 6: Final answer
    x = 14,142,271.95

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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.