Home / 15,475,463.94-21,333,631.98-10,814,779.20

Finding the Fourth Proportional to 15,475,463.94, 21,333,631.98 and 10,814,779.20

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Solution

The fourth proportional to 15,475,463.94, 21,333,631.98 and 10,814,779.20 is: 14,908,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475,463.94 : 21,333,631.98 = 10,814,779.20 : x
  2. Step 2: Convert to fraction form
    15,475,463.94/21,333,631.98 = 10,814,779.20/x
  3. Step 3: Cross multiply
    15,475,463.94x = 21,333,631.98 × 10,814,779.20
  4. Step 4: Simplify right side
    15,475,463.94x = 230,718,519,397,758.81
  5. Step 5: Solve for x
    x = 230,718,519,397,758.81/15,475,463.94
  6. Step 6: Final answer
    x = 14,908,665.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.