Home / 7,223,630.40-10,771,779.42-7,158,875.76

Finding the Fourth Proportional to 7,223,630.40, 10,771,779.42 and 7,158,875.76

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Solution

The fourth proportional to 7,223,630.40, 10,771,779.42 and 7,158,875.76 is: 10,675,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,630.40 : 10,771,779.42 = 7,158,875.76 : x
  2. Step 2: Convert to fraction form
    7,223,630.40/10,771,779.42 = 7,158,875.76/x
  3. Step 3: Cross multiply
    7,223,630.40x = 10,771,779.42 × 7,158,875.76
  4. Step 4: Simplify right side
    7,223,630.40x = 77,113,830,581,904.86
  5. Step 5: Solve for x
    x = 77,113,830,581,904.86/7,223,630.40
  6. Step 6: Final answer
    x = 10,675,218.18

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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.