Home / 7,730,869.80-11,596,304.70-7,289,970.60

Finding the Fourth Proportional to 7,730,869.80, 11,596,304.70 and 7,289,970.60

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Solution

The fourth proportional to 7,730,869.80, 11,596,304.70 and 7,289,970.60 is: 10,934,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730,869.80 : 11,596,304.70 = 7,289,970.60 : x
  2. Step 2: Convert to fraction form
    7,730,869.80/11,596,304.70 = 7,289,970.60/x
  3. Step 3: Cross multiply
    7,730,869.80x = 11,596,304.70 × 7,289,970.60
  4. Step 4: Simplify right side
    7,730,869.80x = 84,536,720,331,641.81
  5. Step 5: Solve for x
    x = 84,536,720,331,641.81/7,730,869.80
  6. Step 6: Final answer
    x = 10,934,955.90

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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.