Home / 15,848,445.80-21,870,935.88-8,974,267.40

Finding the Fourth Proportional to 15,848,445.80, 21,870,935.88 and 8,974,267.40

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Solution

The fourth proportional to 15,848,445.80, 21,870,935.88 and 8,974,267.40 is: 12,384,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848,445.80 : 21,870,935.88 = 8,974,267.40 : x
  2. Step 2: Convert to fraction form
    15,848,445.80/21,870,935.88 = 8,974,267.40/x
  3. Step 3: Cross multiply
    15,848,445.80x = 21,870,935.88 × 8,974,267.40
  4. Step 4: Simplify right side
    15,848,445.80x = 196,275,626,875,374.31
  5. Step 5: Solve for x
    x = 196,275,626,875,374.31/15,848,445.80
  6. Step 6: Final answer
    x = 12,384,534.70

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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.