Home / 8,430,345.16-11,632,638.09-4,708,717.59

Finding the Fourth Proportional to 8,430,345.16, 11,632,638.09 and 4,708,717.59

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Solution

The fourth proportional to 8,430,345.16, 11,632,638.09 and 4,708,717.59 is: 6,497,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,345.16 : 11,632,638.09 = 4,708,717.59 : x
  2. Step 2: Convert to fraction form
    8,430,345.16/11,632,638.09 = 4,708,717.59/x
  3. Step 3: Cross multiply
    8,430,345.16x = 11,632,638.09 × 4,708,717.59
  4. Step 4: Simplify right side
    8,430,345.16x = 54,774,807,592,487
  5. Step 5: Solve for x
    x = 54,774,807,592,487/8,430,345.16
  6. Step 6: Final answer
    x = 6,497,338.67

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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.