Home / 18,683,655.07-25,783,460.04-10,423,718.64

Finding the Fourth Proportional to 18,683,655.07, 25,783,460.04 and 10,423,718.64

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Solution

The fourth proportional to 18,683,655.07, 25,783,460.04 and 10,423,718.64 is: 14,384,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,655.07 : 25,783,460.04 = 10,423,718.64 : x
  2. Step 2: Convert to fraction form
    18,683,655.07/25,783,460.04 = 10,423,718.64/x
  3. Step 3: Cross multiply
    18,683,655.07x = 25,783,460.04 × 10,423,718.64
  4. Step 4: Simplify right side
    18,683,655.07x = 268,759,533,022,643.16
  5. Step 5: Solve for x
    x = 268,759,533,022,643.16/18,683,655.07
  6. Step 6: Final answer
    x = 14,384,740.67

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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.