Home / 10,077,417.20-15,116,125.80-7,243,065.20

Finding the Fourth Proportional to 10,077,417.20, 15,116,125.80 and 7,243,065.20

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Solution

The fourth proportional to 10,077,417.20, 15,116,125.80 and 7,243,065.20 is: 10,864,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,417.20 : 15,116,125.80 = 7,243,065.20 : x
  2. Step 2: Convert to fraction form
    10,077,417.20/15,116,125.80 = 7,243,065.20/x
  3. Step 3: Cross multiply
    10,077,417.20x = 15,116,125.80 × 7,243,065.20
  4. Step 4: Simplify right side
    10,077,417.20x = 109,487,084,740,802.17
  5. Step 5: Solve for x
    x = 109,487,084,740,802.17/10,077,417.20
  6. Step 6: Final answer
    x = 10,864,597.80

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1.5x scale

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.