Home / 28,896,779.70-43,345,169.55-19,316,747.70

Finding the Fourth Proportional to 28,896,779.70, 43,345,169.55 and 19,316,747.70

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Solution

The fourth proportional to 28,896,779.70, 43,345,169.55 and 19,316,747.70 is: 28,975,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,779.70 : 43,345,169.55 = 19,316,747.70 : x
  2. Step 2: Convert to fraction form
    28,896,779.70/43,345,169.55 = 19,316,747.70/x
  3. Step 3: Cross multiply
    28,896,779.70x = 43,345,169.55 × 19,316,747.70
  4. Step 4: Simplify right side
    28,896,779.70x = 837,287,704,211,072.50
  5. Step 5: Solve for x
    x = 837,287,704,211,072.50/28,896,779.70
  6. Step 6: Final answer
    x = 28,975,121.55

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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.