Home / 19,936,280.40-29,918,417.40-8,584,875.60

Finding the Fourth Proportional to 19,936,280.40, 29,918,417.40 and 8,584,875.60

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Solution

The fourth proportional to 19,936,280.40, 29,918,417.40 and 8,584,875.60 is: 12,883,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,280.40 : 29,918,417.40 = 8,584,875.60 : x
  2. Step 2: Convert to fraction form
    19,936,280.40/29,918,417.40 = 8,584,875.60/x
  3. Step 3: Cross multiply
    19,936,280.40x = 29,918,417.40 × 8,584,875.60
  4. Step 4: Simplify right side
    19,936,280.40x = 256,845,891,527,875.41
  5. Step 5: Solve for x
    x = 256,845,891,527,875.41/19,936,280.40
  6. Step 6: Final answer
    x = 12,883,340.64

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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.