Finding the Fourth Proportional to 12,773,946.32, 19,153,830.35 and 4,249,629.44
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Solution
The fourth proportional to 12,773,946.32, 19,153,830.35 and 4,249,629.44 is: 6,372,085.75
Step by Step Solution
- Step 1: Write the proportion equation
12,773,946.32 : 19,153,830.35 = 4,249,629.44 : x - Step 2: Convert to fraction form
12,773,946.32/19,153,830.35 = 4,249,629.44/x - Step 3: Cross multiply
12,773,946.32x = 19,153,830.35 × 4,249,629.44 - Step 4: Simplify right side
12,773,946.32x = 81,396,681,258,980.42 - Step 5: Solve for x
x = 81,396,681,258,980.42/12,773,946.32 - Step 6: Final answer
x = 6,372,085.75
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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.