Home / 10,424,955.74-15,637,525.86-4,280,316.80

Finding the Fourth Proportional to 10,424,955.74, 15,637,525.86 and 4,280,316.80

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Solution

The fourth proportional to 10,424,955.74, 15,637,525.86 and 4,280,316.80 is: 6,420,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424,955.74 : 15,637,525.86 = 4,280,316.80 : x
  2. Step 2: Convert to fraction form
    10,424,955.74/15,637,525.86 = 4,280,316.80/x
  3. Step 3: Cross multiply
    10,424,955.74x = 15,637,525.86 × 4,280,316.80
  4. Step 4: Simplify right side
    10,424,955.74x = 66,933,564,570,804.81
  5. Step 5: Solve for x
    x = 66,933,564,570,804.81/10,424,955.74
  6. Step 6: Final answer
    x = 6,420,513.07

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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.