Home / 39,001,806.40-58,502,709.60-19,869,930.40

Finding the Fourth Proportional to 39,001,806.40, 58,502,709.60 and 19,869,930.40

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Solution

The fourth proportional to 39,001,806.40, 58,502,709.60 and 19,869,930.40 is: 29,804,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001,806.40 : 58,502,709.60 = 19,869,930.40 : x
  2. Step 2: Convert to fraction form
    39,001,806.40/58,502,709.60 = 19,869,930.40/x
  3. Step 3: Cross multiply
    39,001,806.40x = 58,502,709.60 × 19,869,930.40
  4. Step 4: Simplify right side
    39,001,806.40x = 1,162,444,767,963,411.75
  5. Step 5: Solve for x
    x = 1,162,444,767,963,411.75/39,001,806.40
  6. Step 6: Final answer
    x = 29,804,895.60

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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.