Finding the Fourth Proportional to 55,698,494.58, 83,528,821.17 and 19,298,389.14
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Solution
The fourth proportional to 55,698,494.58, 83,528,821.17 and 19,298,389.14 is: 28,941,028.07
Step by Step Solution
- Step 1: Write the proportion equation
55,698,494.58 : 83,528,821.17 = 19,298,389.14 : x - Step 2: Convert to fraction form
55,698,494.58/83,528,821.17 = 19,298,389.14/x - Step 3: Cross multiply
55,698,494.58x = 83,528,821.17 × 19,298,389.14 - Step 4: Simplify right side
55,698,494.58x = 1,611,971,695,344,130.25 - Step 5: Solve for x
x = 1,611,971,695,344,130.25/55,698,494.58 - Step 6: Final answer
x = 28,941,028.07
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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.