Home / 10,403,026.40-15,574,126.80-7,417,042.40

Finding the Fourth Proportional to 10,403,026.40, 15,574,126.80 and 7,417,042.40

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Solution

The fourth proportional to 10,403,026.40, 15,574,126.80 and 7,417,042.40 is: 11,103,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,026.40 : 15,574,126.80 = 7,417,042.40 : x
  2. Step 2: Convert to fraction form
    10,403,026.40/15,574,126.80 = 7,417,042.40/x
  3. Step 3: Cross multiply
    10,403,026.40x = 15,574,126.80 × 7,417,042.40
  4. Step 4: Simplify right side
    10,403,026.40x = 115,513,958,818,576.33
  5. Step 5: Solve for x
    x = 115,513,958,818,576.33/10,403,026.40
  6. Step 6: Final answer
    x = 11,103,880.20

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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.