Home / 10,403,040.90-15,574,148.55-7,417,056.90

Finding the Fourth Proportional to 10,403,040.90, 15,574,148.55 and 7,417,056.90

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Solution

The fourth proportional to 10,403,040.90, 15,574,148.55 and 7,417,056.90 is: 11,103,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,040.90 : 15,574,148.55 = 7,417,056.90 : x
  2. Step 2: Convert to fraction form
    10,403,040.90/15,574,148.55 = 7,417,056.90/x
  3. Step 3: Cross multiply
    10,403,040.90x = 15,574,148.55 × 7,417,056.90
  4. Step 4: Simplify right side
    10,403,040.90x = 115,514,345,964,402.50
  5. Step 5: Solve for x
    x = 115,514,345,964,402.50/10,403,040.90
  6. Step 6: Final answer
    x = 11,103,901.93

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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.