Home / 10,572,406.80-15,827,117.40-6,310,381.20

Finding the Fourth Proportional to 10,572,406.80, 15,827,117.40 and 6,310,381.20

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Solution

The fourth proportional to 10,572,406.80, 15,827,117.40 and 6,310,381.20 is: 9,446,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,406.80 : 15,827,117.40 = 6,310,381.20 : x
  2. Step 2: Convert to fraction form
    10,572,406.80/15,827,117.40 = 6,310,381.20/x
  3. Step 3: Cross multiply
    10,572,406.80x = 15,827,117.40 × 6,310,381.20
  4. Step 4: Simplify right side
    10,572,406.80x = 99,875,144,091,152.89
  5. Step 5: Solve for x
    x = 99,875,144,091,152.89/10,572,406.80
  6. Step 6: Final answer
    x = 9,446,774.61

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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.