Home / 10,106,462.90-15,159,694.35-7,714,978.40

Finding the Fourth Proportional to 10,106,462.90, 15,159,694.35 and 7,714,978.40

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Solution

The fourth proportional to 10,106,462.90, 15,159,694.35 and 7,714,978.40 is: 11,572,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,462.90 : 15,159,694.35 = 7,714,978.40 : x
  2. Step 2: Convert to fraction form
    10,106,462.90/15,159,694.35 = 7,714,978.40/x
  3. Step 3: Cross multiply
    10,106,462.90x = 15,159,694.35 × 7,714,978.40
  4. Step 4: Simplify right side
    10,106,462.90x = 116,956,714,460,852.05
  5. Step 5: Solve for x
    x = 116,956,714,460,852.05/10,106,462.90
  6. Step 6: Final answer
    x = 11,572,467.60

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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.