Finding the Fourth Proportional to 57,798,733.12, 86,637,410.88 and 19,446,933.76
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Solution
The fourth proportional to 57,798,733.12, 86,637,410.88 and 19,446,933.76 is: 29,149,981.32
Step by Step Solution
- Step 1: Write the proportion equation
57,798,733.12 : 86,637,410.88 = 19,446,933.76 : x - Step 2: Convert to fraction form
57,798,733.12/86,637,410.88 = 19,446,933.76/x - Step 3: Cross multiply
57,798,733.12x = 86,637,410.88 × 19,446,933.76 - Step 4: Simplify right side
57,798,733.12x = 1,684,831,990,521,263.25 - Step 5: Solve for x
x = 1,684,831,990,521,263.25/57,798,733.12 - Step 6: Final answer
x = 29,149,981.32
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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.