Home / 8,670,717.90-11,963,147.58-4,999,345.92

Finding the Fourth Proportional to 8,670,717.90, 11,963,147.58 and 4,999,345.92

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Solution

The fourth proportional to 8,670,717.90, 11,963,147.58 and 4,999,345.92 is: 6,897,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,717.90 : 11,963,147.58 = 4,999,345.92 : x
  2. Step 2: Convert to fraction form
    8,670,717.90/11,963,147.58 = 4,999,345.92/x
  3. Step 3: Cross multiply
    8,670,717.90x = 11,963,147.58 × 4,999,345.92
  4. Step 4: Simplify right side
    8,670,717.90x = 59,807,913,044,430.88
  5. Step 5: Solve for x
    x = 59,807,913,044,430.88/8,670,717.90
  6. Step 6: Final answer
    x = 6,897,688.72

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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.