Home / 10,368,887.05-15,553,330.58-9,781,021.45

Finding the Fourth Proportional to 10,368,887.05, 15,553,330.58 and 9,781,021.45

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Solution

The fourth proportional to 10,368,887.05, 15,553,330.58 and 9,781,021.45 is: 14,671,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,887.05 : 15,553,330.58 = 9,781,021.45 : x
  2. Step 2: Convert to fraction form
    10,368,887.05/15,553,330.58 = 9,781,021.45/x
  3. Step 3: Cross multiply
    10,368,887.05x = 15,553,330.58 × 9,781,021.45
  4. Step 4: Simplify right side
    10,368,887.05x = 152,127,460,021,920.94
  5. Step 5: Solve for x
    x = 152,127,460,021,920.94/10,368,887.05
  6. Step 6: Final answer
    x = 14,671,532.18

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1.5x scale

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.