Home / 15,588,222.45-21,507,022.32-10,878,492.67

Finding the Fourth Proportional to 15,588,222.45, 21,507,022.32 and 10,878,492.67

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Solution

The fourth proportional to 15,588,222.45, 21,507,022.32 and 10,878,492.67 is: 15,009,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,222.45 : 21,507,022.32 = 10,878,492.67 : x
  2. Step 2: Convert to fraction form
    15,588,222.45/21,507,022.32 = 10,878,492.67/x
  3. Step 3: Cross multiply
    15,588,222.45x = 21,507,022.32 × 10,878,492.67
  4. Step 4: Simplify right side
    15,588,222.45x = 233,963,984,661,646.41
  5. Step 5: Solve for x
    x = 233,963,984,661,646.41/15,588,222.45
  6. Step 6: Final answer
    x = 15,009,022.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.