Home / 19,429,688.40-29,144,532.60-18,869,816.40

Finding the Fourth Proportional to 19,429,688.40, 29,144,532.60 and 18,869,816.40

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Solution

The fourth proportional to 19,429,688.40, 29,144,532.60 and 18,869,816.40 is: 28,304,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429,688.40 : 29,144,532.60 = 18,869,816.40 : x
  2. Step 2: Convert to fraction form
    19,429,688.40/29,144,532.60 = 18,869,816.40/x
  3. Step 3: Cross multiply
    19,429,688.40x = 29,144,532.60 × 18,869,816.40
  4. Step 4: Simplify right side
    19,429,688.40x = 549,951,979,225,814.62
  5. Step 5: Solve for x
    x = 549,951,979,225,814.62/19,429,688.40
  6. Step 6: Final answer
    x = 28,304,724.60

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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.