Home / 28,457,980.09-42,680,581.36-13,090,510.64

Finding the Fourth Proportional to 28,457,980.09, 42,680,581.36 and 13,090,510.64

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Solution

The fourth proportional to 28,457,980.09, 42,680,581.36 and 13,090,510.64 is: 19,632,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,980.09 : 42,680,581.36 = 13,090,510.64 : x
  2. Step 2: Convert to fraction form
    28,457,980.09/42,680,581.36 = 13,090,510.64/x
  3. Step 3: Cross multiply
    28,457,980.09x = 42,680,581.36 × 13,090,510.64
  4. Step 4: Simplify right side
    28,457,980.09x = 558,710,604,488,440.88
  5. Step 5: Solve for x
    x = 558,710,604,488,440.88/28,457,980.09
  6. Step 6: Final answer
    x = 19,632,827.16

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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.