Home / 18,477,864.65-25,499,618.28-10,218,482.84

Finding the Fourth Proportional to 18,477,864.65, 25,499,618.28 and 10,218,482.84

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Solution

The fourth proportional to 18,477,864.65, 25,499,618.28 and 10,218,482.84 is: 14,101,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,864.65 : 25,499,618.28 = 10,218,482.84 : x
  2. Step 2: Convert to fraction form
    18,477,864.65/25,499,618.28 = 10,218,482.84/x
  3. Step 3: Cross multiply
    18,477,864.65x = 25,499,618.28 × 10,218,482.84
  4. Step 4: Simplify right side
    18,477,864.65x = 260,567,411,884,479.34
  5. Step 5: Solve for x
    x = 260,567,411,884,479.34/18,477,864.65
  6. Step 6: Final answer
    x = 14,101,597.60

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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.