Home / 8,509,721.28-12,698,210.16-7,592,598.96

Finding the Fourth Proportional to 8,509,721.28, 12,698,210.16 and 7,592,598.96

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Solution

The fourth proportional to 8,509,721.28, 12,698,210.16 and 7,592,598.96 is: 11,329,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,721.28 : 12,698,210.16 = 7,592,598.96 : x
  2. Step 2: Convert to fraction form
    8,509,721.28/12,698,210.16 = 7,592,598.96/x
  3. Step 3: Cross multiply
    8,509,721.28x = 12,698,210.16 × 7,592,598.96
  4. Step 4: Simplify right side
    8,509,721.28x = 96,412,417,254,677.44
  5. Step 5: Solve for x
    x = 96,412,417,254,677.44/8,509,721.28
  6. Step 6: Final answer
    x = 11,329,679.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.