Home / 20,852,725.61-28,776,483.47-11,685,547.37

Finding the Fourth Proportional to 20,852,725.61, 28,776,483.47 and 11,685,547.37

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Solution

The fourth proportional to 20,852,725.61, 28,776,483.47 and 11,685,547.37 is: 16,125,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,725.61 : 28,776,483.47 = 11,685,547.37 : x
  2. Step 2: Convert to fraction form
    20,852,725.61/28,776,483.47 = 11,685,547.37/x
  3. Step 3: Cross multiply
    20,852,725.61x = 28,776,483.47 × 11,685,547.37
  4. Step 4: Simplify right side
    20,852,725.61x = 336,268,960,528,396.81
  5. Step 5: Solve for x
    x = 336,268,960,528,396.81/20,852,725.61
  6. Step 6: Final answer
    x = 16,125,899.65

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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.