Home / 15,435,806.40-21,300,017.04-8,560,267.20

Finding the Fourth Proportional to 15,435,806.40, 21,300,017.04 and 8,560,267.20

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Solution

The fourth proportional to 15,435,806.40, 21,300,017.04 and 8,560,267.20 is: 11,812,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,806.40 : 21,300,017.04 = 8,560,267.20 : x
  2. Step 2: Convert to fraction form
    15,435,806.40/21,300,017.04 = 8,560,267.20/x
  3. Step 3: Cross multiply
    15,435,806.40x = 21,300,017.04 × 8,560,267.20
  4. Step 4: Simplify right side
    15,435,806.40x = 182,333,837,226,953.06
  5. Step 5: Solve for x
    x = 182,333,837,226,953.06/15,435,806.40
  6. Step 6: Final answer
    x = 11,812,394.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.