Home / 30,902,528.60-46,353,792.90-19,406,490.20

Finding the Fourth Proportional to 30,902,528.60, 46,353,792.90 and 19,406,490.20

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Solution

The fourth proportional to 30,902,528.60, 46,353,792.90 and 19,406,490.20 is: 29,109,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902,528.60 : 46,353,792.90 = 19,406,490.20 : x
  2. Step 2: Convert to fraction form
    30,902,528.60/46,353,792.90 = 19,406,490.20/x
  3. Step 3: Cross multiply
    30,902,528.60x = 46,353,792.90 × 19,406,490.20
  4. Step 4: Simplify right side
    30,902,528.60x = 899,564,427,646,679.50
  5. Step 5: Solve for x
    x = 899,564,427,646,679.50/30,902,528.60
  6. Step 6: Final answer
    x = 29,109,735.30

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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.