Home / 14,343,657.59-19,793,670.10-7,817,146.58

Finding the Fourth Proportional to 14,343,657.59, 19,793,670.10 and 7,817,146.58

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Solution

The fourth proportional to 14,343,657.59, 19,793,670.10 and 7,817,146.58 is: 10,787,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343,657.59 : 19,793,670.10 = 7,817,146.58 : x
  2. Step 2: Convert to fraction form
    14,343,657.59/19,793,670.10 = 7,817,146.58/x
  3. Step 3: Cross multiply
    14,343,657.59x = 19,793,670.10 × 7,817,146.58
  4. Step 4: Simplify right side
    14,343,657.59x = 154,730,020,557,804.56
  5. Step 5: Solve for x
    x = 154,730,020,557,804.56/14,343,657.59
  6. Step 6: Final answer
    x = 10,787,347.62

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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.