Home / 7,128,001.60-10,688,065.80-2,333,222.80

Finding the Fourth Proportional to 7,128,001.60, 10,688,065.80 and 2,333,222.80

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Solution

The fourth proportional to 7,128,001.60, 10,688,065.80 and 2,333,222.80 is: 3,498,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,001.60 : 10,688,065.80 = 2,333,222.80 : x
  2. Step 2: Convert to fraction form
    7,128,001.60/10,688,065.80 = 2,333,222.80/x
  3. Step 3: Cross multiply
    7,128,001.60x = 10,688,065.80 × 2,333,222.80
  4. Step 4: Simplify right side
    7,128,001.60x = 24,937,638,812,460.24
  5. Step 5: Solve for x
    x = 24,937,638,812,460.24/7,128,001.60
  6. Step 6: Final answer
    x = 3,498,545.62

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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.