Home / 13,197,962.14-18,213,901.59-7,398,606.76

Finding the Fourth Proportional to 13,197,962.14, 18,213,901.59 and 7,398,606.76

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Solution

The fourth proportional to 13,197,962.14, 18,213,901.59 and 7,398,606.76 is: 10,210,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,962.14 : 18,213,901.59 = 7,398,606.76 : x
  2. Step 2: Convert to fraction form
    13,197,962.14/18,213,901.59 = 7,398,606.76/x
  3. Step 3: Cross multiply
    13,197,962.14x = 18,213,901.59 × 7,398,606.76
  4. Step 4: Simplify right side
    13,197,962.14x = 134,757,495,429,748.75
  5. Step 5: Solve for x
    x = 134,757,495,429,748.75/13,197,962.14
  6. Step 6: Final answer
    x = 10,210,477.50

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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.