Home / 19,569,749.80-29,354,624.70-11,916,999.40

Finding the Fourth Proportional to 19,569,749.80, 29,354,624.70 and 11,916,999.40

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Solution

The fourth proportional to 19,569,749.80, 29,354,624.70 and 11,916,999.40 is: 17,875,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569,749.80 : 29,354,624.70 = 11,916,999.40 : x
  2. Step 2: Convert to fraction form
    19,569,749.80/29,354,624.70 = 11,916,999.40/x
  3. Step 3: Cross multiply
    19,569,749.80x = 29,354,624.70 × 11,916,999.40
  4. Step 4: Simplify right side
    19,569,749.80x = 349,819,044,937,125.19
  5. Step 5: Solve for x
    x = 349,819,044,937,125.19/19,569,749.80
  6. Step 6: Final answer
    x = 17,875,499.10

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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.