Finding the Fourth Proportional to 26,239,656.76, 36,211,625.58 and 15,225,574.84
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Solution
The fourth proportional to 26,239,656.76, 36,211,625.58 and 15,225,574.84 is: 21,011,815.07
Step by Step Solution
- Step 1: Write the proportion equation
26,239,656.76 : 36,211,625.58 = 15,225,574.84 : x - Step 2: Convert to fraction form
26,239,656.76/36,211,625.58 = 15,225,574.84/x - Step 3: Cross multiply
26,239,656.76x = 36,211,625.58 × 15,225,574.84 - Step 4: Simplify right side
26,239,656.76x = 551,342,815,346,348.38 - Step 5: Solve for x
x = 551,342,815,346,348.38/26,239,656.76 - Step 6: Final answer
x = 21,011,815.07
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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.