Home / 19,513,600-26,928,411.54-10,811,740.84

Finding the Fourth Proportional to 19,513,600, 26,928,411.54 and 10,811,740.84

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Solution

The fourth proportional to 19,513,600, 26,928,411.54 and 10,811,740.84 is: 14,920,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513,600 : 26,928,411.54 = 10,811,740.84 : x
  2. Step 2: Convert to fraction form
    19,513,600/26,928,411.54 = 10,811,740.84/x
  3. Step 3: Cross multiply
    19,513,600x = 26,928,411.54 × 10,811,740.84
  4. Step 4: Simplify right side
    19,513,600x = 291,143,006,803,345.25
  5. Step 5: Solve for x
    x = 291,143,006,803,345.25/19,513,600
  6. Step 6: Final answer
    x = 14,920,004.86

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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.