Home / 19,285,638.47-28,926,686.21-6,506,253.89

Finding the Fourth Proportional to 19,285,638.47, 28,926,686.21 and 6,506,253.89

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Solution

The fourth proportional to 19,285,638.47, 28,926,686.21 and 6,506,253.89 is: 9,758,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,638.47 : 28,926,686.21 = 6,506,253.89 : x
  2. Step 2: Convert to fraction form
    19,285,638.47/28,926,686.21 = 6,506,253.89/x
  3. Step 3: Cross multiply
    19,285,638.47x = 28,926,686.21 × 6,506,253.89
  4. Step 4: Simplify right side
    19,285,638.47x = 188,204,364,501,457.12
  5. Step 5: Solve for x
    x = 188,204,364,501,457.12/19,285,638.47
  6. Step 6: Final answer
    x = 9,758,783.19

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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.