Finding the Fourth Proportional to 26,368,381.12, 36,390,655.20 and 14,765,733.76
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Solution
The fourth proportional to 26,368,381.12, 36,390,655.20 and 14,765,733.76 is: 20,377,994.52
Step by Step Solution
- Step 1: Write the proportion equation
26,368,381.12 : 36,390,655.20 = 14,765,733.76 : x - Step 2: Convert to fraction form
26,368,381.12/36,390,655.20 = 14,765,733.76/x - Step 3: Cross multiply
26,368,381.12x = 36,390,655.20 × 14,765,733.76 - Step 4: Simplify right side
26,368,381.12x = 537,334,726,035,159.56 - Step 5: Solve for x
x = 537,334,726,035,159.56/26,368,381.12 - Step 6: Final answer
x = 20,377,994.52
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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.