Home / 11,205,814.40-16,783,838.40-9,712,822.40

Finding the Fourth Proportional to 11,205,814.40, 16,783,838.40 and 9,712,822.40

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Solution

The fourth proportional to 11,205,814.40, 16,783,838.40 and 9,712,822.40 is: 14,547,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,814.40 : 16,783,838.40 = 9,712,822.40 : x
  2. Step 2: Convert to fraction form
    11,205,814.40/16,783,838.40 = 9,712,822.40/x
  3. Step 3: Cross multiply
    11,205,814.40x = 16,783,838.40 × 9,712,822.40
  4. Step 4: Simplify right side
    11,205,814.40x = 163,018,441,569,500.16
  5. Step 5: Solve for x
    x = 163,018,441,569,500.16/11,205,814.40
  6. Step 6: Final answer
    x = 14,547,665.68

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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.