Home / 10,566,478.66-15,838,655.79-4,421,980.79

Finding the Fourth Proportional to 10,566,478.66, 15,838,655.79 and 4,421,980.79

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Solution

The fourth proportional to 10,566,478.66, 15,838,655.79 and 4,421,980.79 is: 6,628,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566,478.66 : 15,838,655.79 = 4,421,980.79 : x
  2. Step 2: Convert to fraction form
    10,566,478.66/15,838,655.79 = 4,421,980.79/x
  3. Step 3: Cross multiply
    10,566,478.66x = 15,838,655.79 × 4,421,980.79
  4. Step 4: Simplify right side
    10,566,478.66x = 70,038,231,642,802.27
  5. Step 5: Solve for x
    x = 70,038,231,642,802.27/10,566,478.66
  6. Step 6: Final answer
    x = 6,628,341.75

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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.