Home / 19,005,327.60-28,507,991.40-18,721,892.40

Finding the Fourth Proportional to 19,005,327.60, 28,507,991.40 and 18,721,892.40

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Solution

The fourth proportional to 19,005,327.60, 28,507,991.40 and 18,721,892.40 is: 28,082,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005,327.60 : 28,507,991.40 = 18,721,892.40 : x
  2. Step 2: Convert to fraction form
    19,005,327.60/28,507,991.40 = 18,721,892.40/x
  3. Step 3: Cross multiply
    19,005,327.60x = 28,507,991.40 × 18,721,892.40
  4. Step 4: Simplify right side
    19,005,327.60x = 533,723,547,530,925.31
  5. Step 5: Solve for x
    x = 533,723,547,530,925.31/19,005,327.60
  6. Step 6: Final answer
    x = 28,082,838.60

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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.