Home / 26,249,997.60-39,312,010.80-12,771,079.20

Finding the Fourth Proportional to 26,249,997.60, 39,312,010.80 and 12,771,079.20

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Solution

The fourth proportional to 26,249,997.60, 39,312,010.80 and 12,771,079.20 is: 19,125,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249,997.60 : 39,312,010.80 = 12,771,079.20 : x
  2. Step 2: Convert to fraction form
    26,249,997.60/39,312,010.80 = 12,771,079.20/x
  3. Step 3: Cross multiply
    26,249,997.60x = 39,312,010.80 × 12,771,079.20
  4. Step 4: Simplify right side
    26,249,997.60x = 502,056,803,438,055.31
  5. Step 5: Solve for x
    x = 502,056,803,438,055.31/26,249,997.60
  6. Step 6: Final answer
    x = 19,125,975.21

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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.