Home / 19,009,688.40-28,514,532.60-8,774,528.40

Finding the Fourth Proportional to 19,009,688.40, 28,514,532.60 and 8,774,528.40

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Solution

The fourth proportional to 19,009,688.40, 28,514,532.60 and 8,774,528.40 is: 13,161,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,688.40 : 28,514,532.60 = 8,774,528.40 : x
  2. Step 2: Convert to fraction form
    19,009,688.40/28,514,532.60 = 8,774,528.40/x
  3. Step 3: Cross multiply
    19,009,688.40x = 28,514,532.60 × 8,774,528.40
  4. Step 4: Simplify right side
    19,009,688.40x = 250,201,576,111,425.88
  5. Step 5: Solve for x
    x = 250,201,576,111,425.88/19,009,688.40
  6. Step 6: Final answer
    x = 13,161,792.60

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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.