Home / 14,238,849.21-19,649,612.59-7,712,478.67

Finding the Fourth Proportional to 14,238,849.21, 19,649,612.59 and 7,712,478.67

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Solution

The fourth proportional to 14,238,849.21, 19,649,612.59 and 7,712,478.67 is: 10,643,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238,849.21 : 19,649,612.59 = 7,712,478.67 : x
  2. Step 2: Convert to fraction form
    14,238,849.21/19,649,612.59 = 7,712,478.67/x
  3. Step 3: Cross multiply
    14,238,849.21x = 19,649,612.59 × 7,712,478.67
  4. Step 4: Simplify right side
    14,238,849.21x = 151,547,217,886,452.03
  5. Step 5: Solve for x
    x = 151,547,217,886,452.03/14,238,849.21
  6. Step 6: Final answer
    x = 10,643,220.93

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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.