Home / 19,508,547.72-26,921,791.80-10,688,312.10

Finding the Fourth Proportional to 19,508,547.72, 26,921,791.80 and 10,688,312.10

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Solution

The fourth proportional to 19,508,547.72, 26,921,791.80 and 10,688,312.10 is: 14,749,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,547.72 : 26,921,791.80 = 10,688,312.10 : x
  2. Step 2: Convert to fraction form
    19,508,547.72/26,921,791.80 = 10,688,312.10/x
  3. Step 3: Cross multiply
    19,508,547.72x = 26,921,791.80 × 10,688,312.10
  4. Step 4: Simplify right side
    19,508,547.72x = 287,748,513,049,620.75
  5. Step 5: Solve for x
    x = 287,748,513,049,620.75/19,508,547.72
  6. Step 6: Final answer
    x = 14,749,868.48

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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.