Finding the Fourth Proportional to 10,595,955.60, 15,877,603.80 and 7,887,574.80
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Solution
The fourth proportional to 10,595,955.60, 15,877,603.80 and 7,887,574.80 is: 11,819,206.53
Step by Step Solution
- Step 1: Write the proportion equation
10,595,955.60 : 15,877,603.80 = 7,887,574.80 : x - Step 2: Convert to fraction form
10,595,955.60/15,877,603.80 = 7,887,574.80/x - Step 3: Cross multiply
10,595,955.60x = 15,877,603.80 × 7,887,574.80 - Step 4: Simplify right side
10,595,955.60x = 125,235,787,617,264.25 - Step 5: Solve for x
x = 125,235,787,617,264.25/10,595,955.60 - Step 6: Final answer
x = 11,819,206.53
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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.