Home / 10,106,467.90-15,159,701.85-7,714,983.40

Finding the Fourth Proportional to 10,106,467.90, 15,159,701.85 and 7,714,983.40

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Solution

The fourth proportional to 10,106,467.90, 15,159,701.85 and 7,714,983.40 is: 11,572,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,467.90 : 15,159,701.85 = 7,714,983.40 : x
  2. Step 2: Convert to fraction form
    10,106,467.90/15,159,701.85 = 7,714,983.40/x
  3. Step 3: Cross multiply
    10,106,467.90x = 15,159,701.85 × 7,714,983.40
  4. Step 4: Simplify right side
    10,106,467.90x = 116,956,848,121,699.30
  5. Step 5: Solve for x
    x = 116,956,848,121,699.30/10,106,467.90
  6. Step 6: Final answer
    x = 11,572,475.10

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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.