Home / 7,009,315.86-9,672,638.85-3,953,486.10

Finding the Fourth Proportional to 7,009,315.86, 9,672,638.85 and 3,953,486.10

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Solution

The fourth proportional to 7,009,315.86, 9,672,638.85 and 3,953,486.10 is: 5,455,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,315.86 : 9,672,638.85 = 3,953,486.10 : x
  2. Step 2: Convert to fraction form
    7,009,315.86/9,672,638.85 = 3,953,486.10/x
  3. Step 3: Cross multiply
    7,009,315.86x = 9,672,638.85 × 3,953,486.10
  4. Step 4: Simplify right side
    7,009,315.86x = 38,240,643,243,794.98
  5. Step 5: Solve for x
    x = 38,240,643,243,794.98/7,009,315.86
  6. Step 6: Final answer
    x = 5,455,688.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.