Home / 40,168,509.12-60,249,350.88-15,900,837.84

Finding the Fourth Proportional to 40,168,509.12, 60,249,350.88 and 15,900,837.84

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Solution

The fourth proportional to 40,168,509.12, 60,249,350.88 and 15,900,837.84 is: 23,849,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168,509.12 : 60,249,350.88 = 15,900,837.84 : x
  2. Step 2: Convert to fraction form
    40,168,509.12/60,249,350.88 = 15,900,837.84/x
  3. Step 3: Cross multiply
    40,168,509.12x = 60,249,350.88 × 15,900,837.84
  4. Step 4: Simplify right side
    40,168,509.12x = 958,015,158,308,141.38
  5. Step 5: Solve for x
    x = 958,015,158,308,141.38/40,168,509.12
  6. Step 6: Final answer
    x = 23,849,905.79

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1.5x scale

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.