Home / 30,816,667.50-42,528,337.96-17,065,631.63

Finding the Fourth Proportional to 30,816,667.50, 42,528,337.96 and 17,065,631.63

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Solution

The fourth proportional to 30,816,667.50, 42,528,337.96 and 17,065,631.63 is: 23,551,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816,667.50 : 42,528,337.96 = 17,065,631.63 : x
  2. Step 2: Convert to fraction form
    30,816,667.50/42,528,337.96 = 17,065,631.63/x
  3. Step 3: Cross multiply
    30,816,667.50x = 42,528,337.96 × 17,065,631.63
  4. Step 4: Simplify right side
    30,816,667.50x = 725,772,949,461,505.62
  5. Step 5: Solve for x
    x = 725,772,949,461,505.62/30,816,667.50
  6. Step 6: Final answer
    x = 23,551,311.95

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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.