Finding the Fourth Proportional to 26,898,443.15, 37,113,265.17 and 15,135,417.95
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Solution
The fourth proportional to 26,898,443.15, 37,113,265.17 and 15,135,417.95 is: 20,883,170.70
Step by Step Solution
- Step 1: Write the proportion equation
26,898,443.15 : 37,113,265.17 = 15,135,417.95 : x - Step 2: Convert to fraction form
26,898,443.15/37,113,265.17 = 15,135,417.95/x - Step 3: Cross multiply
26,898,443.15x = 37,113,265.17 × 15,135,417.95 - Step 4: Simplify right side
26,898,443.15x = 561,724,779,829,437.88 - Step 5: Solve for x
x = 561,724,779,829,437.88/26,898,443.15 - Step 6: Final answer
x = 20,883,170.70
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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.