Home / 19,429,664.40-29,144,496.60-18,869,792.40

Finding the Fourth Proportional to 19,429,664.40, 29,144,496.60 and 18,869,792.40

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Solution

The fourth proportional to 19,429,664.40, 29,144,496.60 and 18,869,792.40 is: 28,304,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429,664.40 : 29,144,496.60 = 18,869,792.40 : x
  2. Step 2: Convert to fraction form
    19,429,664.40/29,144,496.60 = 18,869,792.40/x
  3. Step 3: Cross multiply
    19,429,664.40x = 29,144,496.60 × 18,869,792.40
  4. Step 4: Simplify right side
    19,429,664.40x = 549,950,600,444,505.81
  5. Step 5: Solve for x
    x = 549,950,600,444,505.81/19,429,664.40
  6. Step 6: Final answer
    x = 28,304,688.60

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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.